Subject Analysis
First select a ranking, then choose an athlete, brand, team or country.
Japan
Career
1928 - 2026
Best year
2018
Total points
8651
Best results
2x 1. Olympic Games
All-time rank
#5
10-year rank
#7
Ranking Development
Points distribution
Disciplines
Contests
Categories
| Year | Contest | Discipline | Category | Position | Points | Name |
|---|---|---|---|---|---|---|
| 1932 | Olympic Games | 4x200m freestyle | Men | 1 | 90 | - |
| 1936 | Olympic Games | 4x200m freestyle | Men | 1 | 90 | - |
| 1928 | Olympic Games | 4x200m freestyle | Men | 2 | 54 | - |
| 1952 | Olympic Games | 4x200m freestyle | Men | 2 | 54 | - |
| 1960 | Olympic Games | 4x200m freestyle | Men | 2 | 54 | - |
| 2012 | Olympic Games | 4x100m medley | Men | 2 | 54 | - |
| 1932 | Olympic Games | 100m freestyle | Men | 1 | 30 | Yasuji Miyazaki |
| 1932 | Olympic Games | 1500m freestyle | Men | 1 | 30 | Kusuo Kitamura |
| 1936 | Olympic Games | 1500m freestyle | Men | 1 | 30 | Noboru Terada |
| 1932 | Olympic Games | 100m backstroke | Men | 1 | 30 | Masaji Kiyokawa |
| 1988 | Olympic Games | 100m backstroke | Men | 1 | 30 | Daichi Suzuki |
| 1972 | Olympic Games | 100m breaststroke | Men | 1 | 30 | Nobutaka Taguchi |
| 2004 | Olympic Games | 100m breaststroke | Men | 1 | 30 | Kosuke Kitajima |
| 2008 | Olympic Games | 100m breaststroke | Men | 1 | 30 | Kosuke Kitajima |
| 1928 | Olympic Games | 200m breaststroke | Men | 1 | 30 | Yoshiyuki Tsuruta |
| 1932 | Olympic Games | 200m breaststroke | Men | 1 | 30 | Yoshiyuki Tsuruta |
| 1936 | Olympic Games | 200m breaststroke | Men | 1 | 30 | Tetsuo Hamuro |
| 1956 | Olympic Games | 200m breaststroke | Men | 1 | 30 | Masaru Furukawa |
| 2004 | Olympic Games | 200m breaststroke | Men | 1 | 30 | Kosuke Kitajima |
| 2008 | Olympic Games | 200m breaststroke | Men | 1 | 30 | Kosuke Kitajima |
| 2016 | Olympic Games | 400m individual medley | Men | 1 | 30 | Kosuke Hagino |
| 2004 | Olympic Games | 800m freestyle | Women | 1 | 30 | Ai Shibata |
| 1936 | Olympic Games | 200m breaststroke | Women | 1 | 30 | Hideko Maehata |
| 1992 | Olympic Games | 200m breaststroke | Women | 1 | 30 | Kyoko Iwasaki |
| 2016 | Olympic Games | 200m breaststroke | Women | 1 | 30 | Rie Kaneto |
| 1972 | Olympic Games | 100m butterfly | Women | 1 | 30 | Mayumi Aoki |
| 2020 | Olympic Games | 200m individual medley | Women | 1 | 30 | Yui Ohashi |
| 2020 | Olympic Games | 400m individual medley | Women | 1 | 30 | Yui Ohashi |
| 1970 | Asian Games | 4x100m freestyle | Men | 1 | 21 | - |
| 1974 | Asian Games | 4x100m freestyle | Men | 1 | 21 | - |
| 1978 | Asian Games | 4x100m freestyle | Men | 1 | 21 | - |
| 1994 | Asian Games | 4x100m freestyle | Men | 1 | 21 | - |
| 1998 | Asian Games | 4x100m freestyle | Men | 1 | 21 | - |
| 2006 | Asian Games | 4x100m freestyle | Men | 1 | 21 | - |
| 2018 | Asian Games | 4x100m freestyle | Men | 1 | 21 | - |
| 1954 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1958 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1962 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1966 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1970 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1974 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1978 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1982 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1986 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1990 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1994 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 1998 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 2002 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 2006 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 2014 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 2018 | Asian Games | 4x200m freestyle | Men | 1 | 21 | - |
| 2016 | Asian Championship | 4x200m freestyle | Men | 1 | 21 | - |
| 1958 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1962 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1966 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1970 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1974 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1978 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1982 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1986 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1994 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1998 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 2002 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 2006 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 2010 | Asian Games | 4x100m medley | Men | 1 | 21 | - |
| 1954 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1958 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1962 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1966 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1970 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1974 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1978 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1982 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1994 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 2018 | Asian Games | 4x100m freestyle | Women | 1 | 21 | - |
| 1962 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 1966 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 1970 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 1974 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 1978 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 1982 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 1986 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 1998 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 2014 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 2018 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 2022 | Asian Games | 4x100m medley | Women | 1 | 21 | - |
| 2016 | Asian Championship | 4x100m medley | Women | 1 | 21 | - |
| 2026 | Pan Pacific Championship | 4x100m freestyle | Men | 1 | 21 | - |
| 2026 | Pan Pacific Championship | 4x200m freestyle | Men | 1 | 21 | - |
| 2026 | Pan Pacific Championship | 4x100m medley | Men | 1 | 21 | - |
| 1932 | Olympic Games | 100m freestyle | Men | 2 | 18 | Tatsugo Kawaishi |
| 1936 | Olympic Games | 100m freestyle | Men | 2 | 18 | Masanori Yusa |
| 1952 | Olympic Games | 100m freestyle | Men | 2 | 18 | Hiroshi Suzuki |
| 1936 | Olympic Games | 400m freestyle | Men | 2 | 18 | Shunpei Uto |
| 1956 | Olympic Games | 400m freestyle | Men | 2 | 18 | Tsuyoshi Yamanaka |
| 1960 | Olympic Games | 400m freestyle | Men | 2 | 18 | Tsuyoshi Yamanaka |
| 1932 | Olympic Games | 1500m freestyle | Men | 2 | 18 | Shozo Makino |
| 1952 | Olympic Games | 1500m freestyle | Men | 2 | 18 | Shiro Hashizume |
| 1956 | Olympic Games | 1500m freestyle | Men | 2 | 18 | Tsuyoshi Yamanaka |
| 1932 | Olympic Games | 100m backstroke | Men | 2 | 18 | Toshio Irie |
| 2012 | Olympic Games | 200m backstroke | Men | 2 | 18 | Ryosuke Irie |
| 1932 | Olympic Games | 200m breaststroke | Men | 2 | 18 | Reizo Koike |
| 1956 | Olympic Games | 200m breaststroke | Men | 2 | 18 | Masahiro Yoshimura |
| 1960 | Olympic Games | 200m breaststroke | Men | 2 | 18 | Yoshihiko Osaki |
| 1956 | Olympic Games | 200m butterfly | Men | 2 | 18 | Takashi Ishimoto |
| 2004 | Olympic Games | 200m butterfly | Men | 2 | 18 | Takashi Yamamoto |
| 2016 | Olympic Games | 200m butterfly | Men | 2 | 18 | Masato Sakai |
| 2020 | Olympic Games | 200m butterfly | Men | 2 | 18 | Tomoru Honda |
| 2016 | Olympic Games | 200m individual medley | Men | 2 | 18 | Kosuke Hagino |
| 2024 | Olympic Games | 400m individual medley | Men | 2 | 18 | Tomoyuki Matsushita |
| 2000 | Olympic Games | 100m backstroke | Women | 2 | 18 | Mai Nakamura |
| 1932 | Olympic Games | 200m breaststroke | Women | 2 | 18 | Hideko Maehata |
| 2012 | Olympic Games | 200m breaststroke | Women | 2 | 18 | Satomi Suzuki |
| 2000 | Olympic Games | 400m individual medley | Women | 2 | 18 | Yasuko Tajima |
| 1964 | Olympic Games | 4x200m freestyle | Men | 3 | 18 | - |
| 2016 | Olympic Games | 4x200m freestyle | Men | 3 | 18 | - |
| 1960 | Olympic Games | 4x100m medley | Men | 3 | 18 | - |
| 2004 | Olympic Games | 4x100m medley | Men | 3 | 18 | - |
| 2008 | Olympic Games | 4x100m medley | Men | 3 | 18 | - |
| 2007 | World Championship | 4x100m medley | Men | 2 | 18 | - |
| 2000 | Olympic Games | 4x100m medley | Women | 3 | 18 | - |
| 2012 | Olympic Games | 4x100m medley | Women | 3 | 18 | - |
| 1991 | Pan Pacific Championship | 4x100m freestyle | Women | 2 | 12 | - |
| 1989 | Pan Pacific Championship | 4x200m freestyle | Women | 2 | 12 | - |
| 1991 | Pan Pacific Championship | 4x200m freestyle | Women | 2 | 12 | - |
| 2006 | Pan Pacific Championship | 4x100m medley | Women | 2 | 12 | - |
| 2018 | Pan Pacific Championship | Mixed 4x100m medley | M/W | 2 | 12 | - |
| 2012 | Asian Championship | 4x100m freestyle | Men | 2 | 12 | - |
| 2016 | Asian Championship | 4x100m freestyle | Men | 2 | 12 | - |
| 2009 | Asian Championship | 4x200m freestyle | Men | 2 | 12 | - |
| 2012 | Asian Championship | 4x200m freestyle | Men | 2 | 12 | - |
| 2009 | Asian Championship | 4x100m medley | Men | 2 | 12 | - |
| 2012 | Asian Championship | 4x100m medley | Men | 2 | 12 | - |
| 2016 | Asian Championship | 4x100m medley | Men | 2 | 12 | - |
| 1982 | Asian Games | 4x100m freestyle | Men | 2 | 12 | - |
| 1986 | Asian Games | 4x100m freestyle | Men | 2 | 12 | - |
| 1990 | Asian Games | 4x100m freestyle | Men | 2 | 12 | - |
| 2002 | Asian Games | 4x100m freestyle | Men | 2 | 12 | - |
| 2010 | Asian Games | 4x100m freestyle | Men | 2 | 12 | - |
| 2014 | Asian Games | 4x100m freestyle | Men | 2 | 12 | - |
| 2010 | Asian Games | 4x200m freestyle | Men | 2 | 12 | - |
| 2026 | Asian Games | 4x200m freestyle | Men | 2 | 12 | - |
| 1990 | Asian Games | 4x100m medley | Men | 2 | 12 | - |
| 2014 | Asian Games | 4x100m medley | Men | 2 | 12 | - |
| 2018 | Asian Games | 4x100m medley | Men | 2 | 12 | - |
| 2026 | Asian Games | 4x100m medley | Men | 2 | 12 | - |
| 2012 | Asian Championship | 4x100m freestyle | Women | 2 | 12 | - |
| 2016 | Asian Championship | 4x100m freestyle | Women | 2 | 12 | - |
| 2009 | Asian Championship | 4x200m freestyle | Women | 2 | 12 | - |
| 2012 | Asian Championship | 4x200m freestyle | Women | 2 | 12 | - |
| 2016 | Asian Championship | 4x200m freestyle | Women | 2 | 12 | - |
| 2009 | Asian Championship | 4x100m medley | Women | 2 | 12 | - |
| 2012 | Asian Championship | 4x100m medley | Women | 2 | 12 | - |
| 2025 | Asian Championship | 4x100m medley | Women | 2 | 12 | - |
| 2025 | Asian Championship | Mixed 4x100m medley | M/W | 2 | 12 | - |
| 1986 | Asian Games | 4x100m freestyle | Women | 2 | 12 | - |
| 1998 | Asian Games | 4x100m freestyle | Women | 2 | 12 | - |
| 2002 | Asian Games | 4x100m freestyle | Women | 2 | 12 | - |
| 2006 | Asian Games | 4x100m freestyle | Women | 2 | 12 | - |
| 2010 | Asian Games | 4x100m freestyle | Women | 2 | 12 | - |
| 2014 | Asian Games | 4x100m freestyle | Women | 2 | 12 | - |
| 2022 | Asian Games | 4x100m freestyle | Women | 2 | 12 | - |
| 1998 | Asian Games | 4x200m freestyle | Women | 2 | 12 | - |
| 2002 | Asian Games | 4x200m freestyle | Women | 2 | 12 | - |
| 2006 | Asian Games | 4x200m freestyle | Women | 2 | 12 | - |
| 2010 | Asian Games | 4x200m freestyle | Women | 2 | 12 | - |
| 2014 | Asian Games | 4x200m freestyle | Women | 2 | 12 | - |
| 2018 | Asian Games | 4x200m freestyle | Women | 2 | 12 | - |
| 2022 | Asian Games | 4x200m freestyle | Women | 2 | 12 | - |
| 2026 | Asian Games | 4x200m freestyle | Women | 2 | 12 | - |
| 1990 | Asian Games | 4x100m medley | Women | 2 | 12 | - |
| 1994 | Asian Games | 4x100m medley | Women | 2 | 12 | - |
| 2002 | Asian Games | 4x100m medley | Women | 2 | 12 | - |
| 2006 | Asian Games | 4x100m medley | Women | 2 | 12 | - |
| 2010 | Asian Games | 4x100m medley | Women | 2 | 12 | - |
| 2026 | Asian Games | 4x100m medley | Women | 2 | 12 | - |
| 1999 | World Championship 25m | 4x100m medley | Women | 1 | 12 | - |
| 2018 | Asian Games | Mixed 4x100m medley | M/W | 2 | 12 | - |
| 2022 | Asian Games | Mixed 4x100m medley | M/W | 2 | 12 | - |
| 2026 | Asian Games | Mixed 4x100m medley | M/W | 2 | 12 | - |
| 2026 | Pan Pacific Championship | 4x100m freestyle | Men | 2 | 12 | - |
| 2010 | Pan Pacific Championship | 4x200m freestyle | Men | 2 | 12 | - |
| 2014 | Pan Pacific Championship | 4x200m freestyle | Men | 2 | 12 | - |
| 2026 | Pan Pacific Championship | 4x200m freestyle | Men | 2 | 12 | - |
| 2006 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | - |
| 2010 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | - |
| 2014 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | - |
| 2018 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | - |
| 2026 | Pan Pacific Championship | 4x100m medley | Men | 2 | 12 | - |
| 2009 | World Championship | 100m backstroke | Men | 1 | 10 | Junya Koga |
| 2003 | World Championship | 100m breaststroke | Men | 1 | 10 | Kosuke Kitajima |
| 2003 | World Championship | 200m breaststroke | Men | 1 | 10 | Kosuke Kitajima |
| 2007 | World Championship | 200m breaststroke | Men | 1 | 10 | Kosuke Kitajima |
| 2024 | World Championship | 200m butterfly | Men | 1 | 10 | Tomoru Honda |
| 2019 | World Championship | 200m individual medley | Men | 1 | 10 | Daiya Seto |
| 2013 | World Championship | 400m individual medley | Men | 1 | 10 | Daiya Seto |
| 2015 | World Championship | 400m individual medley | Men | 1 | 10 | Daiya Seto |
| 2019 | World Championship | 400m individual medley | Men | 1 | 10 | Daiya Seto |
| 2015 | World Championship | 200m breaststroke | Women | 1 | 10 | Kanako Watanabe |
| 2015 | World Championship | 200m butterfly | Women | 1 | 10 | Natsumi Hoshi |
| 2025 | World Championship Open Water | 3 km knockout sprints | Women | 1 | 10 | Ichika Kajimoto |
| 2001 | World Championship | 4x200m freestyle | Women | 3 | 9 | - |
| 1998 | World Championship | 4x100m medley | Women | 3 | 9 | - |
| 2003 | World Championship | 4x100m medley | Men | 3 | 9 | - |
| 2005 | World Championship | 4x100m medley | Men | 3 | 9 | - |
| 2013 | World Championship | 4x100m medley | Men | 3 | 9 | - |
| 2016 | Asian Championship | 50m freestyle | Men | 1 | 7 | Katsumi Nakamura |
| 1954 | Asian Games | 100m freestyle | Men | 1 | 7 | Hiroshi Suzuki |
| 1958 | Asian Games | 100m freestyle | Men | 1 | 7 | Manabu Koga |
| 1962 | Asian Games | 100m freestyle | Men | 1 | 7 | Keigo Shimizu |
| 1966 | Asian Games | 100m freestyle | Men | 1 | 7 | Kunihiro Iwasaki |
| 1970 | Asian Games | 100m freestyle | Men | 1 | 7 | Shojiro Sawa |
| 1978 | Asian Games | 100m freestyle | Men | 1 | 7 | Tsuyoshi Yanagidate |
| 1986 | Asian Games | 100m freestyle | Men | 1 | 7 | Katsunori Fujiwara |
| 1994 | Asian Games | 100m freestyle | Men | 1 | 7 | Yukihiro Matsushita |
| 1998 | Asian Games | 100m freestyle | Men | 1 | 7 | Shusuke Ito |
| 2018 | Asian Games | 100m freestyle | Men | 1 | 7 | Shinri Shioura |
| 1958 | Asian Games | 200m freestyle | Men | 1 | 7 | Makoto Fukui |
| 1962 | Asian Games | 200m freestyle | Men | 1 | 7 | Toshizo Umemoto |
| 1966 | Asian Games | 200m freestyle | Men | 1 | 7 | Kunihiro Iwasaki |
| 1970 | Asian Games | 200m freestyle | Men | 1 | 7 | Kunihiro Iwasaki |
| 1974 | Asian Games | 200m freestyle | Men | 1 | 7 | Yukio Horiuchi |
| 1986 | Asian Games | 200m freestyle | Men | 1 | 7 | Katsunori Fujiwara |
| 1994 | Asian Games | 200m freestyle | Men | 1 | 7 | Taihei Maeda |
| 1998 | Asian Games | 200m freestyle | Men | 1 | 7 | Yosuke Ichikawa |
| 2014 | Asian Games | 200m freestyle | Men | 1 | 7 | Kosuke Hagino |
| 1954 | Asian Games | 400m freestyle | Men | 1 | 7 | Yoshihiro Shoji |
| 1958 | Asian Games | 400m freestyle | Men | 1 | 7 | Tsuyoshi Yamanaka |
| 1966 | Asian Games | 400m freestyle | Men | 1 | 7 | Etsujiro Takase |
| 1978 | Asian Games | 400m freestyle | Men | 1 | 7 | Shuji Tsukasaki |
| 1982 | Asian Games | 400m freestyle | Men | 1 | 7 | Ikuhiro Terashita |
| 1990 | Asian Games | 400m freestyle | Men | 1 | 7 | Tomohiro Noguchi |
| 2002 | Asian Games | 400m freestyle | Men | 1 | 7 | Shunichi Fujita |
| 1954 | Asian Games | 1500m freestyle | Men | 1 | 7 | Yukiyoshi Aoki |
| 1958 | Asian Games | 1500m freestyle | Men | 1 | 7 | Tsuyoshi Yamanaka |
| 1966 | Asian Games | 1500m freestyle | Men | 1 | 7 | Etsujiro Takase |
| 1978 | Asian Games | 1500m freestyle | Men | 1 | 7 | Shuji Tsukasaki |
| 1982 | Asian Games | 1500m freestyle | Men | 1 | 7 | Kimihiro Anzai |
| 1990 | Asian Games | 1500m freestyle | Men | 1 | 7 | Masayuki Fujimoto |
| 1998 | Asian Games | 1500m freestyle | Men | 1 | 7 | Masato Hirano |
| 2006 | Asian Games | 50m backstroke | Men | 1 | 7 | Junya Koga |
| 2010 | Asian Games | 50m backstroke | Men | 1 | 7 | Junya Koga |
| 2014 | Asian Games | 50m backstroke | Men | 1 | 7 | Junya Koga |
| 2009 | Asian Championship | 50m backstroke | Men | 1 | 7 | Nobuhiro Toyada |
| 1954 | Asian Games | 100m backstroke | Men | 1 | 7 | Keiji Hase |
| 1958 | Asian Games | 100m backstroke | Men | 1 | 7 | Keiji Hase |
| 1962 | Asian Games | 100m backstroke | Men | 1 | 7 | Kazuo Tomita |
| 1966 | Asian Games | 100m backstroke | Men | 1 | 7 | Yushiro Hayashi |
| 1970 | Asian Games | 100m backstroke | Men | 1 | 7 | Tadashi Honda |
| 1974 | Asian Games | 100m backstroke | Men | 1 | 7 | Tadashi Honda |
| 1978 | Asian Games | 100m backstroke | Men | 1 | 7 | Kenji Ikeda |
| 1982 | Asian Games | 100m backstroke | Men | 1 | 7 | Kenji Ikeda |
| 1986 | Asian Games | 100m backstroke | Men | 1 | 7 | Daichi Suzuki |
| 1994 | Asian Games | 100m backstroke | Men | 1 | 7 | Hajime Itoi |
| 2002 | Asian Games | 100m backstroke | Men | 1 | 7 | Atsushi Nishikori |
| 2006 | Asian Games | 100m backstroke | Men | 1 | 7 | Junichi Miyashita |
| 2010 | Asian Games | 100m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2014 | Asian Games | 100m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 1958 | Asian Games | 200m backstroke | Men | 1 | 7 | Kazuo Tomita |
| 1962 | Asian Games | 200m backstroke | Men | 1 | 7 | Keisuke Ito |
| 1966 | Asian Games | 200m backstroke | Men | 1 | 7 | Shigeo Fukushima |
| 1970 | Asian Games | 200m backstroke | Men | 1 | 7 | Tadashi Honda |
| 1974 | Asian Games | 200m backstroke | Men | 1 | 7 | Tadashi Honda |
| 1978 | Asian Games | 200m backstroke | Men | 1 | 7 | Tsuyoshi Takahashi |
| 1982 | Asian Games | 200m backstroke | Men | 1 | 7 | Hidetoshi Takahashi |
| 1986 | Asian Games | 200m backstroke | Men | 1 | 7 | Kazuya Ikeda |
| 2006 | Asian Games | 200m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2010 | Asian Games | 200m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2014 | Asian Games | 200m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2026 | Asian Games | 200m backstroke | Men | 1 | 7 | Kodai Nishiono |
| 2009 | Asian Championship | 200m backstroke | Men | 1 | 7 | Takahiro Yamazaki |
| 2018 | Asian Games | 50m breaststroke | Men | 1 | 7 | Yasuhiro Koseki |
| 2016 | Asian Championship | 50m breaststroke | Men | 1 | 7 | Yasuhiro Koseki |
| 1958 | Asian Games | 100m breaststroke | Men | 1 | 7 | Masaru Ota |
| 1962 | Asian Games | 100m breaststroke | Men | 1 | 7 | Kenji Ishikawa |
| 1966 | Asian Games | 100m breaststroke | Men | 1 | 7 | Kenji Ishikawa |
| 1970 | Asian Games | 100m breaststroke | Men | 1 | 7 | Nobutaka Taguchi |
| 1974 | Asian Games | 100m breaststroke | Men | 1 | 7 | Nobutaka Taguchi |
| 1978 | Asian Games | 100m breaststroke | Men | 1 | 7 | Shigehiro Takahashi |
| 1994 | Asian Games | 100m breaststroke | Men | 1 | 7 | Akira Hayashi |
| 2002 | Asian Games | 100m breaststroke | Men | 1 | 7 | Kosuke Kitajima |
| 2006 | Asian Games | 100m breaststroke | Men | 1 | 7 | Kosuke Kitajima |
| 2010 | Asian Games | 100m breaststroke | Men | 1 | 7 | Ryo Tateishi |
| 2018 | Asian Games | 100m breaststroke | Men | 1 | 7 | Yasuhiro Koseki |
| 2026 | Asian Games | 100m breaststroke | Men | 1 | 7 | Shin Ohashi |
| 2012 | Asian Championship | 100m breaststroke | Men | 1 | 7 | Kazuki Kohinata |
| 2016 | Asian Championship | 100m breaststroke | Men | 1 | 7 | Ippei Watanabe |
| 1954 | Asian Games | 200m breaststroke | Men | 1 | 7 | Mamoru Tanaka |
| 1958 | Asian Games | 200m breaststroke | Men | 1 | 7 | Masaru Furukawa |
| 1962 | Asian Games | 200m breaststroke | Men | 1 | 7 | Kiyoshi Nakagawa |
| 1966 | Asian Games | 200m breaststroke | Men | 1 | 7 | Koichi Yamanami |
| 1970 | Asian Games | 200m breaststroke | Men | 1 | 7 | Nobutaka Taguchi |
| 1974 | Asian Games | 200m breaststroke | Men | 1 | 7 | Nobutaka Taguchi |
| 1978 | Asian Games | 200m breaststroke | Men | 1 | 7 | Shigehiro Takahashi |
| 1982 | Asian Games | 200m breaststroke | Men | 1 | 7 | Naritoshi Matsuda |
| 1986 | Asian Games | 200m breaststroke | Men | 1 | 7 | Kenji Watanabe |
| 1990 | Asian Games | 200m breaststroke | Men | 1 | 7 | Kenji Watanabe |
| 2002 | Asian Games | 200m breaststroke | Men | 1 | 7 | Kosuke Kitajima |
| 2006 | Asian Games | 200m breaststroke | Men | 1 | 7 | Kosuke Kitajima |
| 2010 | Asian Games | 200m breaststroke | Men | 1 | 7 | Naoya Tomita |
| 2018 | Asian Games | 200m breaststroke | Men | 1 | 7 | Yasuhiro Koseki |
| 2026 | Asian Games | 200m breaststroke | Men | 1 | 7 | Shin Ohashi |
| 2009 | Asian Championship | 200m breaststroke | Men | 1 | 7 | Akihiro Yamaguchi |
| 2012 | Asian Championship | 200m breaststroke | Men | 1 | 7 | Kazuki Kohinata |
| 2016 | Asian Championship | 200m breaststroke | Men | 1 | 7 | Ippei Watanabe |
| 2016 | Asian Championship | 50m butterfly | Men | 1 | 7 | Masayuki Kishida |
| 1958 | Asian Games | 100m butterfly | Men | 1 | 7 | Takashi Ishimoto |
| 1962 | Asian Games | 100m butterfly | Men | 1 | 7 | Kenzo Izutsu |
| 1966 | Asian Games | 100m butterfly | Men | 1 | 7 | Isao Nakajima |
| 1970 | Asian Games | 100m butterfly | Men | 1 | 7 | Yasuhiro Komazaki |
| 1974 | Asian Games | 100m butterfly | Men | 1 | 7 | Hideaki Hara |
| 1978 | Asian Games | 100m butterfly | Men | 1 | 7 | Shinsuke Kayama |
| 1982 | Asian Games | 100m butterfly | Men | 1 | 7 | Taihei Saka |
| 1986 | Asian Games | 100m butterfly | Men | 1 | 7 | Hiroshi Miura |
| 1998 | Asian Games | 100m butterfly | Men | 1 | 7 | Takashi Yamamoto |
| 2002 | Asian Games | 100m butterfly | Men | 1 | 7 | Takashi Yamamoto |
| 2006 | Asian Games | 100m butterfly | Men | 1 | 7 | Takashi Yamamoto |
| 2022 | Asian Games | 100m butterfly | Men | 1 | 7 | Katsuhiro Matsumoto |
| 2026 | Asian Games | 100m butterfly | Men | 1 | 7 | Shoon Mitsunaga |
| 1958 | Asian Games | 200m butterfly | Men | 1 | 7 | Takashi Ishimoto |
| 1962 | Asian Games | 200m butterfly | Men | 1 | 7 | Kenzo Izutsu |
| 1966 | Asian Games | 200m butterfly | Men | 1 | 7 | Yasuo Takada |
| 1970 | Asian Games | 200m butterfly | Men | 1 | 7 | Yasuhiro Komazaki |
| 1974 | Asian Games | 200m butterfly | Men | 1 | 7 | Yasuhiro Komazaki |
| 1978 | Asian Games | 200m butterfly | Men | 1 | 7 | Shinsuke Kayama |
| 1982 | Asian Games | 200m butterfly | Men | 1 | 7 | Taihei Saka |
| 1986 | Asian Games | 200m butterfly | Men | 1 | 7 | Hiroshi Sato |
| 1990 | Asian Games | 200m butterfly | Men | 1 | 7 | Kunio Sugimoto |
| 1998 | Asian Games | 200m butterfly | Men | 1 | 7 | Takashi Yamamoto |
| 2010 | Asian Games | 200m butterfly | Men | 1 | 7 | Takeshi Matsuda |
| 2014 | Asian Games | 200m butterfly | Men | 1 | 7 | Daiya Seto |
| 2018 | Asian Games | 200m butterfly | Men | 1 | 7 | Daiya Seto |
| 2022 | Asian Games | 200m butterfly | Men | 1 | 7 | Tomoru Honda |
| 2016 | Asian Championship | 200m butterfly | Men | 1 | 7 | Masato Sakai |
| 1974 | Asian Games | 200m individual medley | Men | 1 | 7 | Jiro Sasaki |
| 1978 | Asian Games | 200m individual medley | Men | 1 | 7 | Tsuyoshi Yanagidate |
| 1986 | Asian Games | 200m individual medley | Men | 1 | 7 | Naritoshi Matsuda |
| 1990 | Asian Games | 200m individual medley | Men | 1 | 7 | Takahiro Fujimoto |
| 2002 | Asian Games | 200m individual medley | Men | 1 | 7 | Takahiro Mori |
| 2006 | Asian Games | 200m individual medley | Men | 1 | 7 | Hidemasa Sano |
| 2010 | Asian Games | 200m individual medley | Men | 1 | 7 | Ken Takakuwa |
| 2014 | Asian Games | 200m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2026 | Asian Games | 200m individual medley | Men | 1 | 7 | Tomoyuki Matsushita |
| 2009 | Asian Championship | 200m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 1966 | Asian Games | 400m individual medley | Men | 1 | 7 | Shigeo Fukushima |
| 1970 | Asian Games | 400m individual medley | Men | 1 | 7 | Toru Udo |
| 1974 | Asian Games | 400m individual medley | Men | 1 | 7 | Tsuyoshi Yanagidate |
| 1978 | Asian Games | 400m individual medley | Men | 1 | 7 | Kozo Tatsumi |
| 1982 | Asian Games | 400m individual medley | Men | 1 | 7 | Keiichi Ohata |
| 1986 | Asian Games | 400m individual medley | Men | 1 | 7 | Naritoshi Matsuda |
| 1990 | Asian Games | 400m individual medley | Men | 1 | 7 | Takahiro Fujimoto |
| 1998 | Asian Games | 400m individual medley | Men | 1 | 7 | Takahiro Mori |
| 2006 | Asian Games | 400m individual medley | Men | 1 | 7 | Hidemasa Sano |
| 2010 | Asian Games | 400m individual medley | Men | 1 | 7 | Yuya Horihata |
| 2014 | Asian Games | 400m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2018 | Asian Games | 400m individual medley | Men | 1 | 7 | Daiya Seto |
| 2022 | Asian Games | 400m individual medley | Men | 1 | 7 | Tomoru Honda |
| 2026 | Asian Games | 400m individual medley | Men | 1 | 7 | Yumeki Kojima |
| 2009 | Asian Championship | 400m individual medley | Men | 1 | 7 | Daiya Seto |
| 2016 | Asian Championship | 400m individual medley | Men | 1 | 7 | Daiya Seto |
| 1994 | Asian Games | 50m freestyle | Women | 1 | 7 | Naoko Imoto |
| 2018 | Asian Games | 50m freestyle | Women | 1 | 7 | Rikako Ikee |
| 2016 | Asian Championship | 50m freestyle | Women | 1 | 7 | Rikako Ikee |
| 1958 | Asian Games | 100m freestyle | Women | 1 | 7 | Yoshiko Sato |
| 1962 | Asian Games | 100m freestyle | Women | 1 | 7 | Yoshiko Sato |
| 1966 | Asian Games | 100m freestyle | Women | 1 | 7 | Michiko Kihara |
| 1970 | Asian Games | 100m freestyle | Women | 1 | 7 | Yoshimi Nishigawa |
| 1974 | Asian Games | 100m freestyle | Women | 1 | 7 | Yoshimi Nishigawa |
| 1978 | Asian Games | 100m freestyle | Women | 1 | 7 | Sachiko Yamazaki |
| 1982 | Asian Games | 100m freestyle | Women | 1 | 7 | Kaori Yanase |
| 1986 | Asian Games | 100m freestyle | Women | 1 | 7 | Yoko Shimao |
| 2018 | Asian Games | 100m freestyle | Women | 1 | 7 | Rikako Ikee |
| 1958 | Asian Games | 200m freestyle | Women | 1 | 7 | Yoshiko Sato |
| 1962 | Asian Games | 200m freestyle | Women | 1 | 7 | Yoshiko Sato |
| 1966 | Asian Games | 200m freestyle | Women | 1 | 7 | Michiko Kihara |
| 1970 | Asian Games | 200m freestyle | Women | 1 | 7 | Yoshimi Nishigawa |
| 1974 | Asian Games | 200m freestyle | Women | 1 | 7 | Yoshimi Nishigawa |
| 1982 | Asian Games | 200m freestyle | Women | 1 | 7 | Kaori Yanase |
| 1986 | Asian Games | 200m freestyle | Women | 1 | 7 | Chikako Nakamori |
| 1954 | Asian Games | 400m freestyle | Women | 1 | 7 | Misako Tamura |
| 1958 | Asian Games | 400m freestyle | Women | 1 | 7 | Emiko Shibahara |
| 1962 | Asian Games | 400m freestyle | Women | 1 | 7 | Toyoko Kimura |
| 1966 | Asian Games | 400m freestyle | Women | 1 | 7 | Kazue Hayakawa |
| 1970 | Asian Games | 400m freestyle | Women | 1 | 7 | Tae Iguchi |
| 1974 | Asian Games | 400m freestyle | Women | 1 | 7 | Fusae Nakamura |
| 1982 | Asian Games | 400m freestyle | Women | 1 | 7 | Mika Saito |
| 1994 | Asian Games | 400m freestyle | Women | 1 | 7 | Suzu Chiba |
| 2002 | Asian Games | 400m freestyle | Women | 1 | 7 | Sachiko Yamada |
| 2025 | Asian Championship | 400m freestyle | Women | 1 | 7 | Tanimoto Haruno |
| 1982 | Asian Games | 800m freestyle | Women | 1 | 7 | Naomi Sekido |
| 2006 | Asian Games | 800m freestyle | Women | 1 | 7 | Yurie Yano |
| 2025 | Asian Championship | 800m freestyle | Women | 1 | 7 | Tanimoto Haruno |
| 1958 | Asian Games | 100m backstroke | Women | 1 | 7 | Satoko Tanaka |
| 1962 | Asian Games | 100m backstroke | Women | 1 | 7 | Satoko Tanaka |
| 1966 | Asian Games | 100m backstroke | Women | 1 | 7 | Satoko Tanaka |
| 1970 | Asian Games | 100m backstroke | Women | 1 | 7 | Yukiko Goshi |
| 1974 | Asian Games | 100m backstroke | Women | 1 | 7 | Suzuko Matsumura |
| 1978 | Asian Games | 100m backstroke | Women | 1 | 7 | Hisae Asari |
| 1998 | Asian Games | 100m backstroke | Women | 1 | 7 | Tomoko Hagiwara |
| 2006 | Asian Games | 100m backstroke | Women | 1 | 7 | Reiko Nakamura |
| 2018 | Asian Games | 100m backstroke | Women | 1 | 7 | Natsumi Sakai |
| 2006 | Asian Championship | 100m backstroke | Women | 1 | 7 | Toshie Abe |
| 1978 | Asian Games | 200m backstroke | Women | 1 | 7 | Hisae Asari |
| 1998 | Asian Games | 200m backstroke | Women | 1 | 7 | Tomoko Hagiwara |
| 2002 | Asian Games | 200m backstroke | Women | 1 | 7 | Reiko Nakamura |
| 2006 | Asian Games | 200m backstroke | Women | 1 | 7 | Reiko Nakamura |
| 2014 | Asian Games | 200m backstroke | Women | 1 | 7 | Sayaka Akase |
| 2025 | Asian Championship | 200m backstroke | Women | 1 | 7 | Misaki Kasahara |
| 2014 | Asian Games | 50m breaststroke | Women | 1 | 7 | Satomi Suzuki |
| 2018 | Asian Games | 50m breaststroke | Women | 1 | 7 | Satomi Suzuki |
| 2016 | Asian Championship | 50m breaststroke | Women | 1 | 7 | Satomi Suzuki |
| 1958 | Asian Games | 100m breaststroke | Women | 1 | 7 | Yoshiko Takamatsu |
| 1962 | Asian Games | 100m breaststroke | Women | 1 | 7 | Noriko Yamamoto |
| 1966 | Asian Games | 100m breaststroke | Women | 1 | 7 | Yoshiko Morizane |
| 1970 | Asian Games | 100m breaststroke | Women | 1 | 7 | Hitomi Tanigami |
| 1974 | Asian Games | 100m breaststroke | Women | 1 | 7 | Toshiko Haruoka |
| 1978 | Asian Games | 100m breaststroke | Women | 1 | 7 | Chieko Watanabe |
| 1982 | Asian Games | 100m breaststroke | Women | 1 | 7 | Hiroko Nagasaki |
| 2006 | Asian Games | 100m breaststroke | Women | 1 | 7 | Asami Kitagawa |
| 2018 | Asian Games | 100m breaststroke | Women | 1 | 7 | Satomi Suzuki |
| 2022 | Asian Games | 100m breaststroke | Women | 1 | 7 | Reona Aoki |
| 2016 | Asian Championship | 100m breaststroke | Women | 1 | 7 | Misaki Sekiguchi |
| 1954 | Asian Games | 200m breaststroke | Women | 1 | 7 | Masayo Aoki |
| 1958 | Asian Games | 200m breaststroke | Women | 1 | 7 | Yoshiko Takamatsu |
| 1962 | Asian Games | 200m breaststroke | Women | 1 | 7 | Noriko Yamamoto |
| 1966 | Asian Games | 200m breaststroke | Women | 1 | 7 | Sakiko Yamashita |
| 1970 | Asian Games | 200m breaststroke | Women | 1 | 7 | Chieno Shibata |
| 1974 | Asian Games | 200m breaststroke | Women | 1 | 7 | Toshiko Haruoka |
| 1978 | Asian Games | 200m breaststroke | Women | 1 | 7 | Chieko Watanabe |
| 1982 | Asian Games | 200m breaststroke | Women | 1 | 7 | Hiroko Nagasaki |
| 1986 | Asian Games | 200m breaststroke | Women | 1 | 7 | Hiroko Nagasaki |
| 1998 | Asian Games | 200m breaststroke | Women | 1 | 7 | Masami Tanaka |
| 2014 | Asian Games | 200m breaststroke | Women | 1 | 7 | Kanako Watanabe |
| 2018 | Asian Games | 200m breaststroke | Women | 1 | 7 | Kanako Watanabe |
| 2026 | Asian Games | 200m breaststroke | Women | 1 | 7 | Kotomi Kato |
| 2016 | Asian Championship | 200m breaststroke | Women | 1 | 7 | Reona Aoki |
| 2025 | Asian Championship | 200m breaststroke | Women | 1 | 7 | Mana Ishikawa |
| 2018 | Asian Games | 50m butterfly | Women | 1 | 7 | Rikako Ikee |
| 2016 | Asian Championship | 50m butterfly | Women | 1 | 7 | Rikako Ikee |
| 1958 | Asian Games | 100m butterfly | Women | 1 | 7 | Shizue Miyabe |
| 1962 | Asian Games | 100m butterfly | Women | 1 | 7 | Eiko Takahashi |
| 1966 | Asian Games | 100m butterfly | Women | 1 | 7 | Masako Ishii |
| 1970 | Asian Games | 100m butterfly | Women | 1 | 7 | Mayumi Aoki |
| 1974 | Asian Games | 100m butterfly | Women | 1 | 7 | Yasue Hatsuda |
| 1978 | Asian Games | 100m butterfly | Women | 1 | 7 | Yasue Hatsuda |
| 1982 | Asian Games | 100m butterfly | Women | 1 | 7 | Takemi Ise |
| 1998 | Asian Games | 100m butterfly | Women | 1 | 7 | Ayari Aoyama |
| 2018 | Asian Games | 100m butterfly | Women | 1 | 7 | Rikako Ikee |
| 2016 | Asian Championship | 100m butterfly | Women | 1 | 7 | Rikako Ikee |
| 1978 | Asian Games | 200m butterfly | Women | 1 | 7 | Yasue Hatsuda |
| 1982 | Asian Games | 200m butterfly | Women | 1 | 7 | Kiyomi Takahashi |
| 1986 | Asian Games | 200m butterfly | Women | 1 | 7 | Izumi Kawahara |
| 2002 | Asian Games | 200m butterfly | Women | 1 | 7 | Yuko Nakanishi |
| 2006 | Asian Games | 200m butterfly | Women | 1 | 7 | Yurie Yano |
| 1966 | Asian Games | 200m individual medley | Women | 1 | 7 | Yasuko Fujii |
| 1970 | Asian Games | 200m individual medley | Women | 1 | 7 | Yoshimi Nishigawa |
| 1974 | Asian Games | 200m individual medley | Women | 1 | 7 | Yoshimi Nishigawa |
| 1978 | Asian Games | 200m individual medley | Women | 1 | 7 | Mio Hirata |
| 1986 | Asian Games | 200m individual medley | Women | 1 | 7 | Naomi Sekido |
| 2016 | Asian Championship | 200m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2025 | Asian Championship | 200m individual medley | Women | 1 | 7 | Mana Ishikawa |
| 1978 | Asian Games | 400m individual medley | Women | 1 | 7 | Mio Hirata |
| 1982 | Asian Games | 400m individual medley | Women | 1 | 7 | Hideka Koshimizu |
| 1998 | Asian Games | 400m individual medley | Women | 1 | 7 | Yasuko Tajima |
| 2018 | Asian Games | 400m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2012 | Asian Championship | 400m individual medley | Women | 1 | 7 | Hiroko Makino |
| 2014 | Pan Pacific Championship | 100m backstroke | Men | 1 | 7 | Ryosuke Irie |
| 2026 | Pan Pacific Championship | 200m backstroke | Men | 1 | 7 | Yumeki Kojima |
| 2002 | Pan Pacific Championship | 100m breaststroke | Men | 1 | 7 | Kosuke Kitajima |
| 2010 | Pan Pacific Championship | 100m breaststroke | Men | 1 | 7 | Kosuke Kitajima |
| 2014 | Pan Pacific Championship | 100m breaststroke | Men | 1 | 7 | Yasuhiro Koseki |
| 2018 | Pan Pacific Championship | 100m breaststroke | Men | 1 | 7 | Yasuhiro Koseki |
| 1995 | Pan Pacific Championship | 200m breaststroke | Men | 1 | 7 | Akira Hayashi |
| 2010 | Pan Pacific Championship | 200m breaststroke | Men | 1 | 7 | Kosuke Kitajima |
| 2014 | Pan Pacific Championship | 200m breaststroke | Men | 1 | 7 | Yasuhiro Koseki |
| 2018 | Pan Pacific Championship | 200m breaststroke | Men | 1 | 7 | Ippei Watanabe |
| 2014 | Pan Pacific Championship | 200m butterfly | Men | 1 | 7 | Daiya Seto |
| 2018 | Pan Pacific Championship | 200m butterfly | Men | 1 | 7 | Daiya Seto |
| 2014 | Pan Pacific Championship | 200m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2026 | Pan Pacific Championship | 200m individual medley | Men | 1 | 7 | Tomoyuki Matsushita |
| 2014 | Pan Pacific Championship | 400m individual medley | Men | 1 | 7 | Kosuke Hagino |
| 2026 | Pan Pacific Championship | 400m individual medley | Men | 1 | 7 | Tomoyuki Matsushita |
| 1995 | Pan Pacific Championship | 200m freestyle | Women | 1 | 7 | Suzu Chiba |
| 2006 | Pan Pacific Championship | 400m freestyle | Women | 1 | 7 | Ai Shibata |
| 1995 | Pan Pacific Championship | 100m backstroke | Women | 1 | 7 | Noriko Inada |
| 1997 | Pan Pacific Championship | 100m backstroke | Women | 1 | 7 | Mai Nakamura |
| 1999 | Pan Pacific Championship | 100m backstroke | Women | 1 | 7 | Mai Nakamura |
| 2006 | Pan Pacific Championship | 100m backstroke | Women | 1 | 7 | Hanae Ito |
| 1997 | Pan Pacific Championship | 200m backstroke | Women | 1 | 7 | Mai Nakamura |
| 1999 | Pan Pacific Championship | 200m backstroke | Women | 1 | 7 | Tomoko Hagiwara |
| 2006 | Pan Pacific Championship | 200m backstroke | Women | 1 | 7 | Reiko Nakamura |
| 1985 | Pan Pacific Championship | 200m breaststroke | Women | 1 | 7 | Hiroko Nagasaki |
| 2014 | Pan Pacific Championship | 200m breaststroke | Women | 1 | 7 | Kanako Watanabe |
| 2018 | Pan Pacific Championship | 100m butterfly | Women | 1 | 7 | Rikako Ikee |
| 1989 | Pan Pacific Championship | 200m butterfly | Women | 1 | 7 | Rie Shito |
| 1993 | Pan Pacific Championship | 200m butterfly | Women | 1 | 7 | Rie Shito |
| 2002 | Pan Pacific Championship | 200m individual medley | Women | 1 | 7 | Tomoko Hagiwara |
| 2018 | Pan Pacific Championship | 200m individual medley | Women | 1 | 7 | Yui Ohashi |
| 1995 | Pan Pacific Championship | 400m individual medley | Women | 1 | 7 | Fumie Kurotori |
| 2018 | Pan Pacific Championship | 400m individual medley | Women | 1 | 7 | Yui Ohashi |
| 2010 | Pan Pacific Championship | 50m backstroke | Men | 1 | 7 | Junya Koga |
| 1995 | Pan Pacific Championship | 4x100m freestyle | Women | 3 | 6 | - |
| 2002 | Pan Pacific Championship | 4x100m freestyle | Women | 3 | 6 | - |
| 2014 | Pan Pacific Championship | 4x100m freestyle | Women | 3 | 6 | - |
| 1993 | Pan Pacific Championship | 4x200m freestyle | Women | 3 | 6 | - |
| 2002 | Pan Pacific Championship | 4x200m freestyle | Women | 3 | 6 | - |
| 2006 | Pan Pacific Championship | 4x200m freestyle | Women | 3 | 6 | - |
| 1985 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | - |
| 1991 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | - |
| 1993 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | - |
| 1995 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | - |
| 1997 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | - |
| 1999 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | - |
| 2010 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | - |
| 2018 | Pan Pacific Championship | 4x100m medley | Women | 3 | 6 | - |
| 2009 | Asian Championship | 4x100m freestyle | Women | 3 | 6 | - |
| 2022 | Asian Games | 4x100m freestyle | Men | 3 | 6 | - |
| 2026 | Asian Games | 4x100m freestyle | Men | 3 | 6 | - |
| 2022 | Asian Games | 4x200m freestyle | Men | 3 | 6 | - |
| 2022 | Asian Games | 4x100m medley | Men | 3 | 6 | - |
| 2026 | Asian Games | 4x100m freestyle | Women | 3 | 6 | - |
| 1928 | Olympic Games | 100m freestyle | Men | 3 | 6 | Katsuo Takaishi |
| 1936 | Olympic Games | 100m freestyle | Men | 3 | 6 | Shigeo Arai |
| 1932 | Olympic Games | 400m freestyle | Men | 3 | 6 | Tsutomu Ōyokota |
| 1936 | Olympic Games | 400m freestyle | Men | 3 | 6 | Shozo Makino |
| 1936 | Olympic Games | 1500m freestyle | Men | 3 | 6 | Shunpei Uto |
| 1932 | Olympic Games | 100m backstroke | Men | 3 | 6 | Kentaro Kawatsu |
| 1936 | Olympic Games | 100m backstroke | Men | 3 | 6 | Masaji Kiyokawa |
| 2004 | Olympic Games | 100m backstroke | Men | 3 | 6 | Tomomi Morita |
| 2012 | Olympic Games | 100m backstroke | Men | 3 | 6 | Ryosuke Irie |
| 1936 | Olympic Games | 200m breaststroke | Men | 3 | 6 | Reizo Koike |
| 1972 | Olympic Games | 200m breaststroke | Men | 3 | 6 | Nobutaka Taguchi |
| 2012 | Olympic Games | 200m breaststroke | Men | 3 | 6 | Ryo Tateishi |
| 2008 | Olympic Games | 200m butterfly | Men | 3 | 6 | Takeshi Matsuda |
| 2012 | Olympic Games | 200m butterfly | Men | 3 | 6 | Takeshi Matsuda |
| 2012 | Olympic Games | 400m individual medley | Men | 3 | 6 | Kosuke Hagino |
| 2016 | Olympic Games | 400m individual medley | Men | 3 | 6 | Daiya Seto |
| 2019 | World Championship | 200m freestyle | Men | 2 | 6 | Katsuhiro Matsumoto |
| 2013 | World Championship | 400m freestyle | Men | 2 | 6 | Kosuke Hagino |
| 2009 | World Championship | 50m backstroke | Men | 2 | 6 | Junya Koga |
| 2017 | World Championship | 50m backstroke | Men | 2 | 6 | Junya Koga |
| 2009 | World Championship | 200m backstroke | Men | 2 | 6 | Ryosuke Irie |
| 2011 | World Championship | 200m backstroke | Men | 2 | 6 | Ryosuke Irie |
| 1975 | World Championship | 100m breaststroke | Men | 2 | 6 | Nobutaka Taguchi |
| 2005 | World Championship | 100m breaststroke | Men | 2 | 6 | Kosuke Kitajima |
| 2007 | World Championship | 100m breaststroke | Men | 2 | 6 | Kosuke Kitajima |
| 2011 | World Championship | 200m breaststroke | Men | 2 | 6 | Kosuke Kitajima |
| 2017 | World Championship | 200m breaststroke | Men | 2 | 6 | Yasuhiro Koseki |
| 2022 | World Championship | 200m breaststroke | Men | 2 | 6 | Yu Hanaguruma |
| 2025 | World Championship | 200m breaststroke | Men | 2 | 6 | Ippei Watanabe |
| 2022 | World Championship | 100m butterfly | Men | 2 | 6 | Naoki Mizunuma |
| 2003 | World Championship | 200m butterfly | Men | 2 | 6 | Takashi Yamamoto |
| 2005 | World Championship | 200m butterfly | Men | 2 | 6 | Takeshi Matsuda |
| 2011 | World Championship | 200m butterfly | Men | 2 | 6 | Takeshi Matsuda |
| 2019 | World Championship | 200m butterfly | Men | 2 | 6 | Daiya Seto |
| 2013 | World Championship | 200m individual medley | Men | 2 | 6 | Kosuke Hagino |
| 2017 | World Championship | 200m individual medley | Men | 2 | 6 | Kosuke Hagino |
| 2025 | World Championship | 400m individual medley | Men | 2 | 6 | Tomoyuki Matsushita |
| 2005 | World Championship | 400m freestyle | Women | 2 | 6 | Ai Shibata |
| 1960 | Olympic Games | 100m backstroke | Women | 3 | 6 | Satoko Tanaka |
| 2012 | Olympic Games | 100m backstroke | Women | 3 | 6 | Aya Terakawa |
| 2000 | Olympic Games | 200m backstroke | Women | 3 | 6 | Miki Nakao |
| 2004 | Olympic Games | 200m backstroke | Women | 3 | 6 | Reiko Nakamura |
| 2008 | Olympic Games | 200m backstroke | Women | 3 | 6 | Reiko Nakamura |
| 2011 | World Championship | 50m backstroke | Women | 2 | 6 | Aya Terakawa |
| 2012 | Olympic Games | 100m breaststroke | Women | 3 | 6 | Satomi Suzuki |
| 1998 | World Championship | 100m backstroke | Women | 2 | 6 | Mai Nakamura |
| 2004 | Olympic Games | 200m butterfly | Women | 3 | 6 | Yuko Nakanishi |
| 2012 | Olympic Games | 200m butterfly | Women | 3 | 6 | Natsumi Hoshi |
| 2016 | Olympic Games | 200m butterfly | Women | 3 | 6 | Natsumi Hoshi |
| 1998 | World Championship | 100m butterfly | Women | 2 | 6 | Ayari Aoyama |
| 1991 | World Championship | 200m butterfly | Women | 2 | 6 | Rie Shito |
| 2015 | World Championship | 200m individual medley | Women | 2 | 6 | Kanako Watanabe |
| 2017 | World Championship | 200m individual medley | Women | 2 | 6 | Yui Ohashi |
| 2018 | Pan Pacific Championship | 4x100m freestyle | Men | 3 | 6 | - |
| 2026 | Pan Pacific Championship | 4x100m freestyle | Men | 3 | 6 | - |
| 2018 | Pan Pacific Championship | 4x200m freestyle | Men | 3 | 6 | - |
| 2026 | Pan Pacific Championship | 4x200m freestyle | Men | 3 | 6 | - |
| 1993 | Pan Pacific Championship | 4x100m medley | Men | 3 | 6 | - |
| 1995 | Pan Pacific Championship | 4x100m medley | Men | 3 | 6 | - |
| 1999 | Pan Pacific Championship | 4x100m medley | Men | 3 | 6 | - |
| 2026 | Pan Pacific Championship | 4x100m medley | Men | 3 | 6 | - |
| 2018 | Pan Pacific Championship | 200m freestyle | Women | 2 | 4 | Rikako Ikee |
| 2002 | Pan Pacific Championship | 800m freestyle | Women | 2 | 4 | Sachiko Yamada |
| 2006 | Pan Pacific Championship | 800m freestyle | Women | 2 | 4 | Ai Shibata |
| 2010 | Pan Pacific Championship | 100m backstroke | Women | 2 | 4 | Aya Terakawa |
| 1995 | Pan Pacific Championship | 200m backstroke | Women | 2 | 4 | Noriko Inada |
| 1999 | Pan Pacific Championship | 200m backstroke | Women | 2 | 4 | Miki Nakao |
| 2002 | Pan Pacific Championship | 200m backstroke | Women | 2 | 4 | Aya Terakawa |
| 1985 | Pan Pacific Championship | 100m breaststroke | Women | 2 | 4 | Hiroko Nagasaki |
| 2014 | Pan Pacific Championship | 100m breaststroke | Women | 2 | 4 | Kanako Watanabe |
| 1997 | Pan Pacific Championship | 200m breaststroke | Women | 2 | 4 | Masami Tanaka |
| 2006 | Pan Pacific Championship | 200m breaststroke | Women | 2 | 4 | Asami Kitagawa |
| 2014 | Pan Pacific Championship | 200m breaststroke | Women | 2 | 4 | Rie Kaneto |
| 1997 | Pan Pacific Championship | 100m butterfly | Women | 2 | 4 | Ayari Aoyama |
| 1987 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Takayo Kitano |
| 1993 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Mika Haruna |
| 1995 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Mika Haruna |
| 2006 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Yuko Nakanishi |
| 2014 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Natsumi Hoshi |
| 2018 | Pan Pacific Championship | 200m butterfly | Women | 2 | 4 | Sachi Mochida |
| 1993 | Pan Pacific Championship | 200m individual medley | Women | 2 | 4 | Hitomi Maehara |
| 1999 | Pan Pacific Championship | 400m individual medley | Women | 2 | 4 | Yasuko Tajima |
| 2002 | Pan Pacific Championship | 1500m freestyle | Women | 2 | 4 | Sachiko Yamada |
| 2026 | Pan Pacific Championship | 10 km | Women | 2 | 4 | Airi Ebina |
| 2010 | Pan Pacific Championship | 50m backstroke | Women | 2 | 4 | Aya Terakawa |
| 2012 | Asian Championship | 100m freestyle | Men | 2 | 4 | Toru Maruyama |
| 2016 | Asian Championship | 100m freestyle | Men | 2 | 4 | Katsumi Nakamura |
| 2016 | Asian Championship | 400m freestyle | Men | 2 | 4 | Tsubasa Amai |
| 2012 | Asian Championship | 1500m freestyle | Men | 2 | 4 | Shogo Takeda |
| 2009 | Asian Championship | 50m backstroke | Men | 2 | 4 | Kosuke Hagino |
| 2012 | Asian Championship | 50m backstroke | Men | 2 | 4 | Takeshi Kawamoto |
| 2016 | Asian Championship | 50m backstroke | Men | 2 | 4 | Shunichi Nakao |
| 2009 | Asian Championship | 100m backstroke | Men | 2 | 4 | Nobuhiro Toyada |
| 2012 | Asian Championship | 100m backstroke | Men | 2 | 4 | Takeshi Kawamoto |
| 2016 | World Championship 25m | 50m backstroke | Men | 1 | 4 | Junya Koga |
| 1998 | Asian Games | 50m freestyle | Men | 2 | 4 | Tomohiro Yamanoi |
| 2006 | Asian Games | 50m freestyle | Men | 2 | 4 | Makoto Ito |
| 2010 | Asian Games | 50m freestyle | Men | 2 | 4 | Masayuki Kishida |
| 2014 | Asian Games | 50m freestyle | Men | 2 | 4 | Shinri Shioura |
| 2018 | Asian Games | 50m freestyle | Men | 2 | 4 | Katsumi Nakamura |
| 2025 | Asian Championship | 200m backstroke | Men | 2 | 4 | Rui Yoshida |
| 1954 | Asian Games | 100m freestyle | Men | 2 | 4 | Teijiro Tanikawa |
| 1962 | Asian Games | 100m freestyle | Men | 2 | 4 | Tadaharu Goto |
| 1966 | Asian Games | 100m freestyle | Men | 2 | 4 | Teruhiko Kitani |
| 1970 | Asian Games | 100m freestyle | Men | 2 | 4 | Kunihiro Iwasaki |
| 1998 | Asian Games | 100m freestyle | Men | 2 | 4 | Shusuke Ito |
| 2014 | Asian Games | 100m freestyle | Men | 2 | 4 | Shinri Shioura |
| 2018 | Asian Games | 100m freestyle | Men | 2 | 4 | Katsumi Nakamura |
| 2012 | Asian Championship | 50m breaststroke | Men | 2 | 4 | Yoshiki Yamanaka |
| 2016 | Asian Championship | 50m breaststroke | Men | 2 | 4 | Koichiro Okazaki |
| 1958 | Asian Games | 200m freestyle | Men | 2 | 4 | Tatsuo Fujimoto |
| 1962 | Asian Games | 200m freestyle | Men | 2 | 4 | Tadaharu Goto |
| 1970 | Asian Games | 200m freestyle | Men | 2 | 4 | Noboru Waseda |
| 1986 | Asian Games | 200m freestyle | Men | 2 | 4 | Shigeo Ogata |
| 1990 | Asian Games | 200m freestyle | Men | 2 | 4 | Tomohiro Noguchi |
| 1994 | Asian Games | 200m freestyle | Men | 2 | 4 | Kazunori Hikida |
| 2002 | Asian Games | 200m freestyle | Men | 2 | 4 | Yoshihiro Okumura |
| 2018 | Asian Games | 200m freestyle | Men | 2 | 4 | Katsuhiro Matsumoto |
| 2006 | Asian Championship | 100m breaststroke | Men | 2 | 4 | Yuta Suenaga |
| 2016 | Asian Championship | 100m breaststroke | Men | 2 | 4 | Yasuhiro Koseki |
| 1954 | Asian Games | 400m freestyle | Men | 2 | 4 | Katsuji Yamashita |
| 1958 | Asian Games | 400m freestyle | Men | 2 | 4 | Nagatoshi Maruyama |
| 1962 | Asian Games | 400m freestyle | Men | 2 | 4 | Toshizo Umemoto |
| 1970 | Asian Games | 400m freestyle | Men | 2 | 4 | Akira Iida |
| 1974 | Asian Games | 400m freestyle | Men | 2 | 4 | Shuji Ono |
| 1978 | Asian Games | 400m freestyle | Men | 2 | 4 | Kazuhiko Yoshihara |
| 1986 | Asian Games | 400m freestyle | Men | 2 | 4 | Shigeo Ogata |
| 1990 | Asian Games | 400m freestyle | Men | 2 | 4 | Takafumi Asahara |
| 1998 | Asian Games | 400m freestyle | Men | 2 | 4 | Masato Hirano |
| 2014 | Asian Games | 400m freestyle | Men | 2 | 4 | Kosuke Hagino |
| 2018 | Asian Games | 400m freestyle | Men | 2 | 4 | Naito Ehara |
| 2026 | Asian Games | 400m freestyle | Men | 2 | 4 | Kazushi Imafuku |
| 2009 | Asian Championship | 200m breaststroke | Men | 2 | 4 | Yukihiro Takahashi |
| 2012 | Asian Championship | 200m breaststroke | Men | 2 | 4 | Kazuki Utsunomiya |
| 2025 | Asian Championship | 200m breaststroke | Men | 2 | 4 | Iori Miyazaki |
| 2018 | Asian Games | 800m freestyle | Men | 2 | 4 | Shogo Takeda |
| 2026 | Asian Games | 800m freestyle | Men | 2 | 4 | Kaito Tabuchi |
| 2010 | World Championship 25m | 200m breaststroke | Men | 1 | 4 | Naoya Tomita |
| 2022 | World Championship 25m | 200m breaststroke | Men | 1 | 4 | Daiya Seto |
| 1954 | Asian Games | 1500m freestyle | Men | 2 | 4 | Shichiro Shintaku |
| 1958 | Asian Games | 1500m freestyle | Men | 2 | 4 | Hiroshi Ishii |
| 1962 | Asian Games | 1500m freestyle | Men | 2 | 4 | Tohachiro Matsuki |
| 1966 | Asian Games | 1500m freestyle | Men | 2 | 4 | Katsuji Ito |
| 1970 | Asian Games | 1500m freestyle | Men | 2 | 4 | Akira Iida |
| 1974 | Asian Games | 1500m freestyle | Men | 2 | 4 | Shuji Ono |
| 1978 | Asian Games | 1500m freestyle | Men | 2 | 4 | Takehiko Kawakami |
| 1982 | Asian Games | 1500m freestyle | Men | 2 | 4 | Keisuke Okuno |
| 1986 | Asian Games | 1500m freestyle | Men | 2 | 4 | Shigeo Ogata |
| 1994 | Asian Games | 1500m freestyle | Men | 2 | 4 | Masato Hirano |
| 2014 | Asian Games | 1500m freestyle | Men | 2 | 4 | Kohei Yamamoto |
| 2026 | Asian Games | 1500m freestyle | Men | 2 | 4 | Kaito Tabuchi |
| 2016 | Asian Championship | 100m butterfly | Men | 2 | 4 | Masato Sakai |
| 2016 | Asian Championship | 100m butterfly | Men | 2 | 4 | Takeshi Kawamoto |
| 2010 | Asian Games | 50m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2014 | Asian Games | 50m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2018 | Asian Games | 50m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2012 | Asian Championship | 200m butterfly | Men | 2 | 4 | Masato Sakai |
| 2016 | Asian Championship | 200m butterfly | Men | 2 | 4 | Daiya Seto |
| 2025 | Asian Championship | 200m butterfly | Men | 2 | 4 | Ryo Kuratsuka |
| 1954 | Asian Games | 100m backstroke | Men | 2 | 4 | Norihiko Kurahashi |
| 1958 | Asian Games | 100m backstroke | Men | 2 | 4 | Hideo Ninomiya |
| 1962 | Asian Games | 100m backstroke | Men | 2 | 4 | Keisuke Ito |
| 1966 | Asian Games | 100m backstroke | Men | 2 | 4 | Kishio Tanaka |
| 1970 | Asian Games | 100m backstroke | Men | 2 | 4 | Koji Hoshino |
| 1978 | Asian Games | 100m backstroke | Men | 2 | 4 | Tsuyoshi Takahashi |
| 1982 | Asian Games | 100m backstroke | Men | 2 | 4 | Hidetoshi Takahashi |
| 1986 | Asian Games | 100m backstroke | Men | 2 | 4 | Shigemori Maruyama |
| 1990 | Asian Games | 100m backstroke | Men | 2 | 4 | Hajime Itoi |
| 1994 | Asian Games | 100m backstroke | Men | 2 | 4 | Eiji Komine |
| 2010 | Asian Games | 100m backstroke | Men | 2 | 4 | Junya Koga |
| 2018 | Asian Games | 100m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2022 | Asian Games | 100m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2026 | Asian Games | 100m backstroke | Men | 2 | 4 | Hidekazu Takehara |
| 2016 | Asian Championship | 200m individual medley | Men | 2 | 4 | Daiya Seto |
| 2012 | World Championship 25m | 200m butterfly | Men | 1 | 4 | Kazuya Kaneda |
| 2018 | World Championship 25m | 200m butterfly | Men | 1 | 4 | Daiya Seto |
| 1958 | Asian Games | 200m backstroke | Men | 2 | 4 | Kazuo Watanabe |
| 1962 | Asian Games | 200m backstroke | Men | 2 | 4 | Kazuo Tomita |
| 1966 | Asian Games | 200m backstroke | Men | 2 | 4 | Yushiro Hayashi |
| 1970 | Asian Games | 200m backstroke | Men | 2 | 4 | Koji Hoshino |
| 1990 | Asian Games | 200m backstroke | Men | 2 | 4 | Keita Soraoka |
| 1994 | Asian Games | 200m backstroke | Men | 2 | 4 | Hajime Itoi |
| 2002 | Asian Games | 200m backstroke | Men | 2 | 4 | Takashi Nakano |
| 2018 | Asian Games | 200m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2012 | Asian Championship | 400m individual medley | Men | 2 | 4 | Keita Sunama |
| 2006 | Asian Games | 50m breaststroke | Men | 2 | 4 | Kosuke Kitajima |
| 2010 | Asian Games | 50m breaststroke | Men | 2 | 4 | Ryo Tateishi |
| 2014 | Asian Games | 50m breaststroke | Men | 2 | 4 | Yasuhiro Koseki |
| 2014 | World Championship 25m | 200m individual medley | Men | 1 | 4 | Kosuke Hagino |
| 2021 | World Championship 25m | 200m individual medley | Men | 1 | 4 | Daiya Seto |
| 1958 | Asian Games | 100m breaststroke | Men | 2 | 4 | Akio Sugiyama |
| 1962 | Asian Games | 100m breaststroke | Men | 2 | 4 | Kiyoshi Nakagawa |
| 1966 | Asian Games | 100m breaststroke | Men | 2 | 4 | Koichi Yamanami |
| 1978 | Asian Games | 100m breaststroke | Men | 2 | 4 | Hiroshi Kabatani |
| 1982 | Asian Games | 100m breaststroke | Men | 2 | 4 | Shigehiro Takahashi |
| 1986 | Asian Games | 100m breaststroke | Men | 2 | 4 | Hisashi Fuwa |
| 1990 | Asian Games | 100m breaststroke | Men | 2 | 4 | Kenji Watanabe |
| 1998 | Asian Games | 100m breaststroke | Men | 2 | 4 | Akira Hayashi |
| 2006 | Asian Games | 100m breaststroke | Men | 2 | 4 | Makoto Yamashita |
| 2014 | Asian Games | 100m breaststroke | Men | 2 | 4 | Yasuhiro Koseki |
| 2012 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2014 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2016 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2018 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2021 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 2022 | World Championship 25m | 400m individual medley | Men | 1 | 4 | Daiya Seto |
| 1954 | Asian Games | 200m breaststroke | Men | 2 | 4 | Masaru Furukawa |
| 1962 | Asian Games | 200m breaststroke | Men | 2 | 4 | Kenji Ishikawa |
| 1966 | Asian Games | 200m breaststroke | Men | 2 | 4 | Kenji Ishikawa |
| 1978 | Asian Games | 200m breaststroke | Men | 2 | 4 | Hiroshi Kabatani |
| 1986 | Asian Games | 200m breaststroke | Men | 2 | 4 | Naritoshi Matsuda |
| 1990 | Asian Games | 200m breaststroke | Men | 2 | 4 | Nobuyuki Kawaguchi |
| 1994 | Asian Games | 200m breaststroke | Men | 2 | 4 | Akira Hayashi |
| 2002 | Asian Games | 200m breaststroke | Men | 2 | 4 | Daisuke Kimura |
| 2006 | Asian Games | 200m breaststroke | Men | 2 | 4 | Daisuke Kimura |
| 2014 | Asian Games | 200m breaststroke | Men | 2 | 4 | Kazuki Kohinata |
| 2018 | Asian Games | 200m breaststroke | Men | 2 | 4 | Ippei Watanabe |
| 2006 | Asian Games | 50m butterfly | Men | 2 | 4 | Ryo Takayasu |
| 2010 | Asian Games | 50m butterfly | Men | 2 | 4 | Masayuki Kishida |
| 2026 | Asian Games | 50m butterfly | Men | 2 | 4 | Shoon Mitsunaga |
| 1958 | Asian Games | 100m butterfly | Men | 2 | 4 | Fumiaki Masunaga |
| 1962 | Asian Games | 100m butterfly | Men | 2 | 4 | Koji Iwamoto |
| 1970 | Asian Games | 100m butterfly | Men | 2 | 4 | Satoshi Maruya |
| 1990 | Asian Games | 100m butterfly | Men | 2 | 4 | Kunio Sugimoto |
| 1994 | Asian Games | 100m butterfly | Men | 2 | 4 | Hajime Itoi |
| 2002 | Asian Games | 100m butterfly | Men | 2 | 4 | Kohei Kawamoto |
| 2006 | Asian Games | 100m butterfly | Men | 2 | 4 | Ryo Takayasu |
| 2010 | Asian Games | 100m butterfly | Men | 2 | 4 | Takuro Fujii |
| 2016 | Asian Championship | 100m freestyle | Women | 2 | 4 | Rikako Ikee |
| 1958 | Asian Games | 200m butterfly | Men | 2 | 4 | Koichi Hirakida |
| 1962 | Asian Games | 200m butterfly | Men | 2 | 4 | Koji Iwamoto |
| 1966 | Asian Games | 200m butterfly | Men | 2 | 4 | Shinji Yamanouchi |
| 1970 | Asian Games | 200m butterfly | Men | 2 | 4 | Satoshi Maruya |
| 1974 | Asian Games | 200m butterfly | Men | 2 | 4 | Hideaki Hara |
| 1990 | Asian Games | 200m butterfly | Men | 2 | 4 | Tomohiro Miyoshi |
| 1994 | Asian Games | 200m butterfly | Men | 2 | 4 | Mitsuharu Takane |
| 2002 | Asian Games | 200m butterfly | Men | 2 | 4 | Takashi Yamamoto |
| 2006 | Asian Games | 200m butterfly | Men | 2 | 4 | Takeshi Matsuda |
| 2010 | Asian Games | 200m butterfly | Men | 2 | 4 | Ryusuke Sakata |
| 2014 | Asian Games | 200m butterfly | Men | 2 | 4 | Kenta Hirai |
| 2018 | Asian Games | 200m butterfly | Men | 2 | 4 | Nao Horomura |
| 1974 | Asian Games | 200m individual medley | Men | 2 | 4 | Tsuyoshi Yanagidate |
| 1978 | Asian Games | 200m individual medley | Men | 2 | 4 | Kozo Tatsumi |
| 1982 | Asian Games | 200m individual medley | Men | 2 | 4 | Keiichi Ohata |
| 1990 | Asian Games | 200m individual medley | Men | 2 | 4 | Shuichi Nakamura |
| 1994 | Asian Games | 200m individual medley | Men | 2 | 4 | Takahiro Fujimoto |
| 1998 | Asian Games | 200m individual medley | Men | 2 | 4 | Jo Yoshimi |
| 2002 | Asian Games | 200m individual medley | Men | 2 | 4 | Jiro Miki |
| 2006 | Asian Games | 200m individual medley | Men | 2 | 4 | Ken Takakuwa |
| 2014 | Asian Games | 200m individual medley | Men | 2 | 4 | Hiromasa Fujimori |
| 2018 | Asian Games | 200m individual medley | Men | 2 | 4 | Kosuke Hagino |
| 2026 | Asian Games | 200m individual medley | Men | 2 | 4 | Yumeki Kojima |
| 2016 | Asian Championship | 400m freestyle | Women | 2 | 4 | Chihiro Igarashi |
| 1970 | Asian Games | 400m individual medley | Men | 2 | 4 | Junhachiro Tsutsumi |
| 1974 | Asian Games | 400m individual medley | Men | 2 | 4 | Jiro Sasaki |
| 1978 | Asian Games | 400m individual medley | Men | 2 | 4 | Tsuyoshi Yanagidate |
| 1986 | Asian Games | 400m individual medley | Men | 2 | 4 | Satoshi Takeda |
| 1990 | Asian Games | 400m individual medley | Men | 2 | 4 | Shuichi Nakamura |
| 1994 | Asian Games | 400m individual medley | Men | 2 | 4 | Tatsuya Kinugasa |
| 2002 | Asian Games | 400m individual medley | Men | 2 | 4 | Takahiro Mori |
| 2006 | Asian Games | 400m individual medley | Men | 2 | 4 | Shinya Taniguchi |
| 2018 | Asian Games | 400m individual medley | Men | 2 | 4 | Kosuke Hagino |
| 2022 | Asian Games | 400m individual medley | Men | 2 | 4 | Daiya Seto |
| 2026 | Asian Games | 400m individual medley | Men | 2 | 4 | Tomoyuki Matsushita |
| 2006 | Asian Championship | 50m backstroke | Women | 2 | 4 | Masaki Oikawa |
| 2025 | Asian Championship | 100m backstroke | Women | 2 | 4 | Misaki Kasahara |
| 1994 | Asian Games | 50m freestyle | Women | 2 | 4 | Sumika Minamoto |
| 2014 | Asian Games | 50m freestyle | Women | 2 | 4 | Miki Uchida |
| 2006 | Asian Championship | 200m backstroke | Women | 2 | 4 | Toshie Abe |
| 2009 | Asian Championship | 200m backstroke | Women | 2 | 4 | Sayaka Akase |
| 1954 | Asian Games | 100m freestyle | Women | 2 | 4 | Tomiko Atarashi |
| 1962 | Asian Games | 100m freestyle | Women | 2 | 4 | Toyoko Kimura |
| 1970 | Asian Games | 100m freestyle | Women | 2 | 4 | Shigeko Kawanishi |
| 1974 | Asian Games | 100m freestyle | Women | 2 | 4 | Motoko Osawa |
| 1978 | Asian Games | 100m freestyle | Women | 2 | 4 | Shiho Sakanishi |
| 1982 | Asian Games | 100m freestyle | Women | 2 | 4 | Chikako Nakamori |
| 1994 | Asian Games | 100m freestyle | Women | 2 | 4 | Naoko Imoto |
| 1998 | Asian Games | 100m freestyle | Women | 2 | 4 | Sumika Minamoto |
| 2002 | Asian Games | 100m freestyle | Women | 2 | 4 | Tomoko Nagai |
| 2009 | Asian Championship | 50m breaststroke | Women | 2 | 4 | Kana Sugisaki |
| 2016 | Asian Championship | 50m breaststroke | Women | 2 | 4 | Misaki Sekiguchi |
| 2004 | World Championship 25m | 800m freestyle | Women | 1 | 4 | Sachiko Yamada |
| 1962 | Asian Games | 200m freestyle | Women | 2 | 4 | Yumiko Kobayashi |
| 1970 | Asian Games | 200m freestyle | Women | 2 | 4 | Shigeko Kawanishi |
| 1974 | Asian Games | 200m freestyle | Women | 2 | 4 | Fusae Nakamura |
| 1982 | Asian Games | 200m freestyle | Women | 2 | 4 | Mika Saito |
| 1986 | Asian Games | 200m freestyle | Women | 2 | 4 | Mika Saito |
| 1990 | Asian Games | 200m freestyle | Women | 2 | 4 | Suzu Chiba |
| 1994 | Asian Games | 200m freestyle | Women | 2 | 4 | Eri Yamanoi |
| 2014 | Asian Games | 200m freestyle | Women | 2 | 4 | Chihiro Igarashi |
| 2009 | Asian Championship | 100m breaststroke | Women | 2 | 4 | Keiko Fukudome |
| 2016 | Asian Championship | 100m breaststroke | Women | 2 | 4 | Reona Aoki |
| 1954 | Asian Games | 400m freestyle | Women | 2 | 4 | Akiko Miyazaki |
| 1962 | Asian Games | 400m freestyle | Women | 2 | 4 | Kazue Hayakawa |
| 1978 | Asian Games | 400m freestyle | Women | 2 | 4 | Kana Kamo |
| 1982 | Asian Games | 400m freestyle | Women | 2 | 4 | Junko Sakurai |
| 1994 | Asian Games | 400m freestyle | Women | 2 | 4 | Sachiko Miyaji |
| 1998 | Asian Games | 400m freestyle | Women | 2 | 4 | Sachiko Yamada |
| 2009 | Asian Championship | 200m breaststroke | Women | 2 | 4 | Keiko Fukudome |
| 2025 | Asian Championship | 200m breaststroke | Women | 2 | 4 | Koharu Nakazawa |
| 1978 | Asian Games | 800m freestyle | Women | 2 | 4 | Kana Kamo |
| 1982 | Asian Games | 800m freestyle | Women | 2 | 4 | Junko Sakurai |
| 1994 | Asian Games | 800m freestyle | Women | 2 | 4 | Tomoko Goza |
| 1998 | Asian Games | 800m freestyle | Women | 2 | 4 | Sachiko Yamada |
| 2002 | Asian Games | 800m freestyle | Women | 2 | 4 | Sachiko Yamada |
| 2022 | Asian Games | 800m freestyle | Women | 2 | 4 | Waka Kobori |
| 1999 | World Championship 25m | 100m backstroke | Women | 1 | 4 | Mai Nakamura |
| 1999 | World Championship 25m | 200m backstroke | Women | 1 | 4 | Mai Nakamura |
| 2010 | Asian Games | 50m backstroke | Women | 2 | 4 | Aya Terakawa |
| 2025 | Asian Championship | 200m butterfly | Women | 2 | 4 | Manami Miyamoto |
| 1999 | World Championship 25m | 50m breaststroke | Women | 1 | 4 | Masami Tanaka |
| 1954 | Asian Games | 100m backstroke | Women | 2 | 4 | Keiko Sadamori |
| 1958 | Asian Games | 100m backstroke | Women | 2 | 4 | Setsuko Okamoto |
| 1962 | Asian Games | 100m backstroke | Women | 2 | 4 | Hiromi Yotsumoto |
| 1966 | Asian Games | 100m backstroke | Women | 2 | 4 | Kimiko Gabe |
| 1970 | Asian Games | 100m backstroke | Women | 2 | 4 | Kikuyo Ishii |
| 1974 | Asian Games | 100m backstroke | Women | 2 | 4 | Taeko Sudo |
| 1978 | Asian Games | 100m backstroke | Women | 2 | 4 | Naoko Miura |
| 1986 | Asian Games | 100m backstroke | Women | 2 | 4 | Kaoru Ono |
| 1994 | Asian Games | 100m backstroke | Women | 2 | 4 | Miki Nakao |
| 1998 | Asian Games | 100m backstroke | Women | 2 | 4 | Mai Nakamura |
| 2002 | Asian Games | 100m backstroke | Women | 2 | 4 | Noriko Inada |
| 2010 | Asian Games | 100m backstroke | Women | 2 | 4 | Shiho Sakai |
| 2018 | Asian Games | 100m backstroke | Women | 2 | 4 | Anna Konishi |
| 2026 | Asian Games | 100m backstroke | Women | 2 | 4 | Rio Shirai |
| 2016 | Asian Championship | 200m individual medley | Women | 2 | 4 | Runa Imai |
| 1999 | World Championship 25m | 100m breaststroke | Women | 1 | 4 | Masami Tanaka |
| 1978 | Asian Games | 200m backstroke | Women | 2 | 4 | Naoko Miura |
| 1986 | Asian Games | 200m backstroke | Women | 2 | 4 | Naomi Sekido |
| 1998 | Asian Games | 200m backstroke | Women | 2 | 4 | Mai Nakamura |
| 2002 | Asian Games | 200m backstroke | Women | 2 | 4 | Aya Terakawa |
| 2010 | Asian Games | 200m backstroke | Women | 2 | 4 | Shiho Sakai |
| 2018 | Asian Games | 200m backstroke | Women | 2 | 4 | Natsumi Sakai |
| 2016 | Asian Championship | 400m individual medley | Women | 2 | 4 | Sakiko Shimizu |
| 2025 | Asian Championship | 400m individual medley | Women | 2 | 4 | Koharu Nakazawa |
| 1999 | World Championship 25m | 200m breaststroke | Women | 1 | 4 | Masami Tanaka |
| 2014 | World Championship 25m | 200m breaststroke | Women | 1 | 4 | Kanako Watanabe |
| 2006 | Asian Games | 50m breaststroke | Women | 2 | 4 | Asami Kitagawa |
| 2022 | Asian Games | 50m breaststroke | Women | 2 | 4 | Satomi Suzuki |
| 2026 | Asian Games | 50m breaststroke | Women | 2 | 4 | Satomi Suzuki |
| 1958 | Asian Games | 100m breaststroke | Women | 2 | 4 | Masayo Aoki |
| 1966 | Asian Games | 100m breaststroke | Women | 2 | 4 | Sakiko Yamashita |
| 1970 | Asian Games | 100m breaststroke | Women | 2 | 4 | Chieno Shibata |
| 1974 | Asian Games | 100m breaststroke | Women | 2 | 4 | Yoko Yamamoto |
| 1986 | Asian Games | 100m breaststroke | Women | 2 | 4 | Hiroko Nagasaki |
| 1990 | Asian Games | 100m breaststroke | Women | 2 | 4 | Kyoko Kasuya |
| 1994 | Asian Games | 100m breaststroke | Women | 2 | 4 | Masami Tanaka |
| 2010 | Asian Games | 100m breaststroke | Women | 2 | 4 | Satomi Suzuki |
| 2014 | Asian Games | 100m breaststroke | Women | 2 | 4 | Kanako Watanabe |
| 2018 | Asian Games | 100m breaststroke | Women | 2 | 4 | Reona Aoki |
| 2022 | Asian Games | 100m breaststroke | Women | 2 | 4 | Satomi Suzuki |
| 2026 | Asian Games | 100m breaststroke | Women | 2 | 4 | Satomi Suzuki |
| 1954 | Asian Games | 200m breaststroke | Women | 2 | 4 | Kazuko Sakamoto |
| 1958 | Asian Games | 200m breaststroke | Women | 2 | 4 | Noriko Odagiri |
| 1962 | Asian Games | 200m breaststroke | Women | 2 | 4 | Sachiko Aoki |
| 1966 | Asian Games | 200m breaststroke | Women | 2 | 4 | Yoshiko Morizane |
| 1970 | Asian Games | 200m breaststroke | Women | 2 | 4 | Hitomi Tanigami |
| 1974 | Asian Games | 200m breaststroke | Women | 2 | 4 | Yoko Yamamoto |
| 1978 | Asian Games | 200m breaststroke | Women | 2 | 4 | Chiharu Mori |
| 1986 | Asian Games | 200m breaststroke | Women | 2 | 4 | Asako Natsume |
| 2014 | Asian Games | 200m breaststroke | Women | 2 | 4 | Rie Kaneto |
| 2010 | Asian Games | 50m butterfly | Women | 2 | 4 | Yuka Kato |
| 1962 | Asian Games | 100m butterfly | Women | 2 | 4 | Michiyo Nakanishi |
| 1966 | Asian Games | 100m butterfly | Women | 2 | 4 | Eiko Takahashi |
| 1970 | Asian Games | 100m butterfly | Women | 2 | 4 | Kazuyo Banno |
| 1974 | Asian Games | 100m butterfly | Women | 2 | 4 | Yukari Takemoto |
| 1978 | Asian Games | 100m butterfly | Women | 2 | 4 | Naoko Kume |
| 1982 | Asian Games | 100m butterfly | Women | 2 | 4 | Kiyomi Takahashi |
| 1986 | Asian Games | 100m butterfly | Women | 2 | 4 | Yoko Kawahigashi |
| 2002 | Asian Games | 100m butterfly | Women | 2 | 4 | Yuko Nakanishi |
| 2022 | Asian Games | 100m butterfly | Women | 2 | 4 | Ai Soma |
| 1978 | Asian Games | 200m butterfly | Women | 2 | 4 | Naoko Kume |
| 1982 | Asian Games | 200m butterfly | Women | 2 | 4 | Takemi Ise |
| 1986 | Asian Games | 200m butterfly | Women | 2 | 4 | Kiyomi Takahashi |
| 2002 | Asian Games | 200m butterfly | Women | 2 | 4 | Maki Mita |
| 2010 | Asian Games | 200m butterfly | Women | 2 | 4 | Natsumi Hoshi |
| 2014 | Asian Games | 200m butterfly | Women | 2 | 4 | Natsumi Hoshi |
| 2018 | Asian Games | 200m butterfly | Women | 2 | 4 | Sachi Mochida |
| 1970 | Asian Games | 200m individual medley | Women | 2 | 4 | Yukari Takemoto |
| 1974 | Asian Games | 200m individual medley | Women | 2 | 4 | Yukari Takemoto |
| 1978 | Asian Games | 200m individual medley | Women | 2 | 4 | Yuko Imamichi |
| 1982 | Asian Games | 200m individual medley | Women | 2 | 4 | Hideka Koshimizu |
| 1986 | Asian Games | 200m individual medley | Women | 2 | 4 | Hiroyo Harada |
| 1990 | Asian Games | 200m individual medley | Women | 2 | 4 | Fumie Kurotori |
| 1994 | Asian Games | 200m individual medley | Women | 2 | 4 | Hitomi Maehara |
| 2006 | Asian Games | 200m individual medley | Women | 2 | 4 | Asami Kitagawa |
| 2014 | Asian Games | 200m individual medley | Women | 2 | 4 | Kanako Watanabe |
| 2018 | Asian Games | 200m individual medley | Women | 2 | 4 | Yui Ohashi |
| 1978 | Asian Games | 400m individual medley | Women | 2 | 4 | Yuko Imamichi |
| 1982 | Asian Games | 400m individual medley | Women | 2 | 4 | Naomi Sekido |
| 1986 | Asian Games | 400m individual medley | Women | 2 | 4 | Naomi Sekido |
| 2002 | Asian Games | 400m individual medley | Women | 2 | 4 | Maiko Fujino |
| 2014 | Asian Games | 400m individual medley | Women | 2 | 4 | Sakiko Shimizu |
| 2022 | Asian Games | 400m individual medley | Women | 2 | 4 | Ageha Tanigawa |
| 2014 | Pan Pacific Championship | 200m freestyle | Men | 2 | 4 | Kosuke Hagino |
| 2014 | Pan Pacific Championship | 400m freestyle | Men | 2 | 4 | Kosuke Hagino |
| 2026 | Pan Pacific Championship | 1500m freestyle | Men | 2 | 4 | Kazushi Imafuku |
| 1987 | Pan Pacific Championship | 100m backstroke | Men | 2 | 4 | Daichi Suzuki |
| 2010 | Pan Pacific Championship | 100m backstroke | Men | 2 | 4 | Junya Koga |
| 2018 | Pan Pacific Championship | 100m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2014 | Pan Pacific Championship | 200m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 2018 | Pan Pacific Championship | 200m backstroke | Men | 2 | 4 | Ryosuke Irie |
| 1993 | Pan Pacific Championship | 100m breaststroke | Men | 2 | 4 | Akira Hayashi |
| 2026 | Pan Pacific Championship | 100m breaststroke | Men | 2 | 4 | Shin Ohashi |
| 1991 | Pan Pacific Championship | 200m breaststroke | Men | 2 | 4 | Hiroshi Fujieda |
| 1997 | Pan Pacific Championship | 200m breaststroke | Men | 2 | 4 | Yoshiaki Okita |
| 2006 | Pan Pacific Championship | 200m breaststroke | Men | 2 | 4 | Kosuke Kitajima |
| 2006 | Pan Pacific Championship | 100m butterfly | Men | 2 | 4 | Ryo Takayasu |
| 1999 | Pan Pacific Championship | 200m butterfly | Men | 2 | 4 | Takashi Yamamoto |
| 2006 | Pan Pacific Championship | 200m butterfly | Men | 2 | 4 | Ryuichi Shibata |
| 2002 | Pan Pacific Championship | 200m individual medley | Men | 2 | 4 | Takahiro Mori |
| 2018 | Pan Pacific Championship | 400m individual medley | Men | 2 | 4 | Kosuke Hagino |
| 1973 | World Championship | 100m butterfly | Women | 3 | 3 | Mayumi Aoki |
| 2001 | World Championship | 100m butterfly | Women | 3 | 3 | Junko Onishi |
| 2003 | World Championship | 200m butterfly | Women | 3 | 3 | Yuko Nakanishi |
| 2005 | World Championship | 200m butterfly | Women | 3 | 3 | Yuko Nakanishi |
| 1998 | World Championship | 400m individual medley | Women | 3 | 3 | Yasuko Tajima |
| 2019 | World Championship | 400m individual medley | Women | 3 | 3 | Yui Ohashi |
| 2025 | World Championship | 400m individual medley | Women | 3 | 3 | Mio Narita |
| 2016 | World Championship 25m | 4x50m freestyle | Men | 3 | 3 | - |
| 2016 | World Championship 25m | 4x200m freestyle | Men | 3 | 3 | - |
| 2016 | World Championship 25m | 4x100m medley | Men | 3 | 3 | - |
| 2018 | World Championship 25m | 4x100m medley | Men | 3 | 3 | - |
| 2014 | World Championship 25m | 4x100m medley | Women | 3 | 3 | - |
| 2016 | World Championship 25m | Mixed 4x50m medley | M/W | 3 | 3 | - |
| 2025 | World Championship Open Water | 5 km | Women | 3 | 3 | Ichika Kajimoto |
| 2001 | World Championship | 50m freestyle | Men | 3 | 3 | Tomohiro Yamanoi |
| 2025 | World Championship | 200m freestyle | Men | 3 | 3 | Tatsuya Murasa |
| 2011 | World Championship | 100m backstroke | Men | 3 | 3 | Ryosuke Irie |
| 2005 | World Championship | 50m breaststroke | Men | 3 | 3 | Kosuke Kitajima |
| 1973 | World Championship | 100m breaststroke | Men | 3 | 3 | Nobutaka Taguchi |
| 1973 | World Championship | 200m breaststroke | Men | 3 | 3 | Nobutaka Taguchi |
| 2001 | World Championship | 200m breaststroke | Men | 3 | 3 | Kosuke Kitajima |
| 2005 | World Championship | 200m breaststroke | Men | 3 | 3 | Genki Imamura |
| 2017 | World Championship | 200m breaststroke | Men | 3 | 3 | Ippei Watanabe |
| 2019 | World Championship | 200m breaststroke | Men | 3 | 3 | Ippei Watanabe |
| 2009 | World Championship | 200m butterfly | Men | 3 | 3 | Takeshi Matsuda |
| 2017 | World Championship | 200m butterfly | Men | 3 | 3 | Daiya Seto |
| 2022 | World Championship | 200m butterfly | Men | 3 | 3 | Tomoru Honda |
| 2023 | World Championship | 200m butterfly | Men | 3 | 3 | Tomoru Honda |
| 2022 | World Championship | 200m individual medley | Men | 3 | 3 | Daiya Seto |
| 2011 | World Championship | 400m individual medley | Men | 3 | 3 | Yuya Horihata |
| 2017 | World Championship | 400m individual medley | Men | 3 | 3 | Daiya Seto |
| 2023 | World Championship | 400m individual medley | Men | 3 | 3 | Daiya Seto |
| 2024 | World Championship | 400m individual medley | Men | 3 | 3 | Daiya Seto |
| 1991 | World Championship | 400m freestyle | Women | 3 | 3 | Suzu Chiba |
| 2007 | World Championship | 400m freestyle | Women | 3 | 3 | Ai Shibata |
| 2005 | World Championship | 800m freestyle | Women | 3 | 3 | Ai Shibata |
| 2007 | World Championship | 1500m freestyle | Women | 3 | 3 | Ai Shibata |
| 2003 | World Championship | 50m backstroke | Women | 3 | 3 | Noriko Inada |
| 2013 | World Championship | 50m backstroke | Women | 3 | 3 | Aya Terakawa |
| 2007 | World Championship | 100m backstroke | Women | 3 | 3 | Reiko Nakamura |
| 2013 | World Championship | 100m backstroke | Women | 3 | 3 | Aya Terakawa |
| 1998 | World Championship | 200m backstroke | Women | 3 | 3 | Mai Nakamura |
| 2005 | World Championship | 200m backstroke | Women | 3 | 3 | Reiko Nakamura |
| 2007 | World Championship | 200m backstroke | Women | 3 | 3 | Reiko Nakamura |
| 1991 | Pan Pacific Championship | 100m butterfly | Women | 3 | 2 | Yoko Kando |
| 1999 | Pan Pacific Championship | 100m butterfly | Women | 3 | 2 | Ayari Aoyama |
| 1987 | Pan Pacific Championship | 200m butterfly | Women | 3 | 2 | Kiyomi Takahashi |
| 1991 | Pan Pacific Championship | 200m butterfly | Women | 3 | 2 | Yoko Kando |
| 2006 | Pan Pacific Championship | 200m butterfly | Women | 3 | 2 | Yurie Yano |
| 2018 | Pan Pacific Championship | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 2002 | Pan Pacific Championship | 400m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2018 | Pan Pacific Championship | 400m individual medley | Women | 3 | 2 | Sakiko Shimizu |
| 2010 | Pan Pacific Championship | 800m freestyle | Men | 3 | 2 | Takeshi Matsuda |
| 2006 | Pan Pacific Championship | 1500m freestyle | Women | 3 | 2 | Ai Shibata |
| 2026 | Pan Pacific Championship | 10 km | Women | 3 | 2 | Ichika Kajimoto |
| 2012 | Asian Championship | 50m freestyle | Men | 3 | 2 | Toru Maruyama |
| 2016 | Asian Championship | 50m freestyle | Men | 3 | 2 | Shunichi Nakao |
| 2012 | Asian Championship | 200m freestyle | Men | 3 | 2 | Takumi Komatsu |
| 2016 | Asian Championship | 200m freestyle | Men | 3 | 2 | Katsuhiro Matsumoto |
| 2025 | Asian Championship | 200m freestyle | Men | 3 | 2 | Hinata Ando |
| 2006 | Asian Championship | 400m freestyle | Men | 3 | 2 | Taishi Okude |
| 2009 | Asian Championship | 400m freestyle | Men | 3 | 2 | Jumpei Higashi |
| 2012 | Asian Championship | 400m freestyle | Men | 3 | 2 | Takumi Komatsu |
| 2009 | Asian Championship | 1500m freestyle | Men | 3 | 2 | Jumpei Higashi |
| 2016 | Asian Championship | 1500m freestyle | Men | 3 | 2 | Shogo Takeda |
| 2009 | Asian Championship | 100m backstroke | Men | 3 | 2 | Takahiro Yamazaki |
| 2016 | Asian Championship | 100m backstroke | Men | 3 | 2 | Takeshi Kawamoto |
| 2009 | Asian Championship | 200m backstroke | Men | 3 | 2 | Nobuhiro Toyada |
| 2012 | Asian Championship | 200m backstroke | Men | 3 | 2 | Keita Sunama |
| 2016 | Asian Championship | 200m backstroke | Men | 3 | 2 | Keita Sunama |
| 2006 | Asian Championship | 50m breaststroke | Men | 3 | 2 | Koichiro Okazaki |
| 2006 | Asian Championship | 100m breaststroke | Men | 3 | 2 | Koichiro Okazaki |
| 2006 | Asian Championship | 200m breaststroke | Men | 3 | 2 | Yuichi Narisawa |
| 2012 | Asian Championship | 50m butterfly | Men | 3 | 2 | Toru Maruyama |
| 2016 | Asian Championship | 50m butterfly | Men | 3 | 2 | Takeshi Kawamoto |
| 2006 | Asian Championship | 100m butterfly | Men | 3 | 2 | Shota Takamoto |
| 2009 | Asian Championship | 100m butterfly | Men | 3 | 2 | Hirofumi Ikebata |
| 2012 | Asian Championship | 100m butterfly | Men | 3 | 2 | Takeshi Kawamoto |
| 2006 | Asian Championship | 200m butterfly | Men | 3 | 2 | Shota Takamoto |
| 2006 | Asian Championship | 200m individual medley | Men | 3 | 2 | Taishi Okude |
| 2012 | Asian Championship | 200m individual medley | Men | 3 | 2 | Keita Sunama |
| 2016 | Asian Championship | 200m individual medley | Men | 3 | 2 | Keita Sunama |
| 2006 | Asian Championship | 400m individual medley | Men | 3 | 2 | Taishi Okude |
| 2009 | Asian Championship | 400m individual medley | Men | 3 | 2 | Keita Sameshima |
| 2025 | Asian Championship | 400m individual medley | Men | 3 | 2 | Shun Tanaka |
| 2009 | Asian Championship | 50m freestyle | Women | 3 | 2 | Shiori Kaneko |
| 2009 | Asian Championship | 100m freestyle | Women | 3 | 2 | Masako Kuroki |
| 2012 | Asian Championship | 100m freestyle | Women | 3 | 2 | Mao Kawakami |
| 2009 | Asian Championship | 200m freestyle | Women | 3 | 2 | Risa Sekine |
| 2009 | Asian Championship | 800m freestyle | Women | 3 | 2 | Mako Kuramatsu |
| 2012 | Asian Championship | 800m freestyle | Women | 3 | 2 | Yukimi Moriyama |
| 2016 | Asian Championship | 50m backstroke | Women | 3 | 2 | Emi Moronuki |
| 2025 | Asian Championship | 50m backstroke | Women | 3 | 2 | Misaki Kasahara |
| 2006 | Asian Championship | 100m backstroke | Women | 3 | 2 | Masaki Oikawa |
| 2009 | Asian Championship | 100m backstroke | Women | 3 | 2 | Mai Harada |
| 2012 | Asian Championship | 100m backstroke | Women | 3 | 2 | Marie Kamimura |
| 2016 | Asian Championship | 100m backstroke | Women | 3 | 2 | Emi Moronuki |
| 2009 | Asian Championship | 200m backstroke | Women | 3 | 2 | Marie Kamimura |
| 2012 | Asian Championship | 200m backstroke | Women | 3 | 2 | Marie Kamimura |
| 2016 | Asian Championship | 200m backstroke | Women | 3 | 2 | Rio Shirai |
| 2012 | Asian Championship | 50m breaststroke | Women | 3 | 2 | Misaki Sekiguchi |
| 2012 | Asian Championship | 100m breaststroke | Women | 3 | 2 | Misaki Sekiguchi |
| 2025 | Asian Championship | 100m breaststroke | Women | 3 | 2 | Koharu Nakazawa |
| 2016 | Asian Championship | 200m breaststroke | Women | 3 | 2 | Misaki Sekiguchi |
| 2009 | Asian Championship | 50m butterfly | Women | 3 | 2 | Rino Hosoda |
| 2009 | Asian Championship | 100m butterfly | Women | 3 | 2 | Rino Hosoda |
| 2012 | Asian Championship | 100m butterfly | Women | 3 | 2 | Rino Hosoda |
| 2016 | Asian Championship | 100m butterfly | Women | 3 | 2 | Yui Yamane |
| 2009 | Asian Championship | 200m butterfly | Women | 3 | 2 | Natsuki Akiyama |
| 2012 | Asian Championship | 200m butterfly | Women | 3 | 2 | Misuzu Yabu |
| 2016 | Asian Championship | 200m butterfly | Women | 3 | 2 | Miyu Nakano |
| 2006 | Asian Championship | 200m individual medley | Women | 3 | 2 | Toshie Abe |
| 2009 | Asian Championship | 200m individual medley | Women | 3 | 2 | Emi Takabatake |
| 2012 | Asian Championship | 200m individual medley | Women | 3 | 2 | Chihiro Igarashi |
| 2009 | Asian Championship | 400m individual medley | Women | 3 | 2 | Emi Takabatake |
| 2016 | Asian Championship | 400m individual medley | Women | 3 | 2 | Yui Ohashi |
| 1998 | Asian Games | 50m freestyle | Men | 3 | 2 | Hirosuke Hamano |
| 2002 | Asian Games | 50m freestyle | Men | 3 | 2 | Issei Nakanishi |
| 2010 | Asian Games | 50m freestyle | Men | 3 | 2 | Rammaru Harada |
| 2014 | Asian Games | 50m freestyle | Men | 3 | 2 | Kenta Ito |
| 2018 | Asian Games | 50m freestyle | Men | 3 | 2 | Shunichi Nakao |
| 1958 | Asian Games | 100m freestyle | Men | 3 | 2 | Shintaro Yokochi |
| 1974 | Asian Games | 100m freestyle | Men | 3 | 2 | Akira Iida |
| 2002 | Asian Games | 100m freestyle | Men | 3 | 2 | Daisuke Hosokawa |
| 2006 | Asian Games | 100m freestyle | Men | 3 | 2 | Daisuke Hosokawa |
| 2010 | Asian Games | 100m freestyle | Men | 3 | 2 | Takuro Fujii |
| 2014 | Asian Games | 100m freestyle | Men | 3 | 2 | Rammaru Harada |
| 1978 | Asian Games | 200m freestyle | Men | 3 | 2 | Hiroshi Sakamoto |
| 1998 | Asian Games | 200m freestyle | Men | 3 | 2 | Shusuke Ito |
| 2002 | Asian Games | 200m freestyle | Men | 3 | 2 | Yosuke Ichikawa |
| 2006 | Asian Games | 200m freestyle | Men | 3 | 2 | Daisuke Hosokawa |
| 2010 | Asian Games | 200m freestyle | Men | 3 | 2 | Takeshi Matsuda |
| 2026 | Asian Games | 200m freestyle | Men | 3 | 2 | Tatsuya Murasa |
| 2016 | World Championship 25m | 100m freestyle | Men | 2 | 2 | Shinri Shioura |
| 1962 | Asian Games | 400m freestyle | Men | 3 | 2 | Masami Nakabo |
| 1970 | Asian Games | 400m freestyle | Men | 3 | 2 | Toshinori Murata |
| 1974 | Asian Games | 400m freestyle | Men | 3 | 2 | Kaname Sakamoto |
| 1994 | Asian Games | 400m freestyle | Men | 3 | 2 | Masayuki Fujimoto |
| 2006 | Asian Games | 400m freestyle | Men | 3 | 2 | Takeshi Matsuda |
| 2018 | Asian Games | 400m freestyle | Men | 3 | 2 | Kosuke Hagino |
| 1954 | Asian Games | 1500m freestyle | Men | 3 | 2 | Tsutomu Nagashima |
| 1962 | Asian Games | 1500m freestyle | Men | 3 | 2 | Toshiaki Sahara |
| 1970 | Asian Games | 1500m freestyle | Men | 3 | 2 | Toshinori Murata |
| 1990 | Asian Games | 1500m freestyle | Men | 3 | 2 | Masashi Kato |
| 2006 | Asian Games | 1500m freestyle | Men | 3 | 2 | Takeshi Matsuda |
| 2022 | Asian Games | 1500m freestyle | Men | 3 | 2 | Shogo Takeda |
| 2026 | Asian Games | 1500m freestyle | Men | 3 | 2 | Kazushi Imafuku |
| 2022 | Asian Games | 50m backstroke | Men | 3 | 2 | Ryosuke Irie |
| 1954 | Asian Games | 100m backstroke | Men | 3 | 2 | Takuro Ashida |
| 1974 | Asian Games | 100m backstroke | Men | 3 | 2 | Toshimitsu Yamamoto |
| 1990 | Asian Games | 100m backstroke | Men | 3 | 2 | Keita Soraoka |
| 2002 | Asian Games | 100m backstroke | Men | 3 | 2 | Tomomi Morita |
| 2006 | Asian Games | 100m backstroke | Men | 3 | 2 | Masafumi Yamaguchi |
| 2014 | Asian Games | 100m backstroke | Men | 3 | 2 | Kosuke Hagino |
| 1974 | Asian Games | 200m backstroke | Men | 3 | 2 | Toshimitsu Yamamoto |
| 1978 | Asian Games | 200m backstroke | Men | 3 | 2 | Kenji Ikeda |
| 1986 | Asian Games | 200m backstroke | Men | 3 | 2 | Shigemori Maruyama |
| 1990 | Asian Games | 200m backstroke | Men | 3 | 2 | Hajime Itoi |
| 1994 | Asian Games | 200m backstroke | Men | 3 | 2 | Ryuji Horii |
| 2002 | Asian Games | 200m backstroke | Men | 3 | 2 | Naoya Sonoda |
| 2006 | Asian Games | 200m backstroke | Men | 3 | 2 | Takashi Nakano |
| 2014 | Asian Games | 200m backstroke | Men | 3 | 2 | Kosuke Hagino |
| 2018 | Asian Games | 200m backstroke | Men | 3 | 2 | Keita Sunama |
| 2022 | Asian Games | 200m backstroke | Men | 3 | 2 | Hidekazu Takehara |
| 2026 | Asian Games | 50m breaststroke | Men | 3 | 2 | Shin Ohashi |
| 1974 | Asian Games | 100m breaststroke | Men | 3 | 2 | Kenichi Ueda |
| 1986 | Asian Games | 100m breaststroke | Men | 3 | 2 | Kenji Watanabe |
| 1990 | Asian Games | 100m breaststroke | Men | 3 | 2 | Nobuyuki Kawaguchi |
| 2002 | Asian Games | 100m breaststroke | Men | 3 | 2 | Yoshihisa Yamaguchi |
| 1954 | Asian Games | 200m breaststroke | Men | 3 | 2 | Masao Togami |
| 1958 | Asian Games | 200m breaststroke | Men | 3 | 2 | Hajime Waki |
| 1974 | Asian Games | 200m breaststroke | Men | 3 | 2 | Kenichi Ueda |
| 1982 | Asian Games | 200m breaststroke | Men | 3 | 2 | Shigehiro Takahashi |
| 1998 | Asian Games | 200m breaststroke | Men | 3 | 2 | Yoshinobu Miyazaki |
| 2014 | Asian Games | 200m breaststroke | Men | 3 | 2 | Yasuhiro Koseki |
| 2022 | Asian Games | 200m breaststroke | Men | 3 | 2 | Ippei Watanabe |
| 2002 | World Championship 25m | 100m breaststroke | Men | 2 | 2 | Kosuke Kitajima |
| 1966 | Asian Games | 100m butterfly | Men | 3 | 2 | Yasuo Takada |
| 1974 | Asian Games | 100m butterfly | Men | 3 | 2 | Yasuhiro Komazaki |
| 1986 | Asian Games | 100m butterfly | Men | 3 | 2 | Hiroshi Sato |
| 1990 | Asian Games | 100m butterfly | Men | 3 | 2 | Tomohiro Miyoshi |
| 1994 | Asian Games | 100m butterfly | Men | 3 | 2 | Mitsuharu Takane |
| 2014 | Asian Games | 100m butterfly | Men | 3 | 2 | Hirofumi Ikebata |
| 2018 | Asian Games | 100m butterfly | Men | 3 | 2 | Yuki Kobori |
| 2026 | Asian Games | 100m butterfly | Men | 3 | 2 | Katsuhiro Matsumoto |
| 1982 | Asian Games | 200m butterfly | Men | 3 | 2 | Masakazu Hirata |
| 1986 | Asian Games | 200m butterfly | Men | 3 | 2 | Yukinori Tanaka |
| 1994 | Asian Games | 200m butterfly | Men | 3 | 2 | Osamu Mihara |
| 2002 | Asian Games | 200m butterfly | Men | 3 | 2 | Takeshi Matsuda |
| 2006 | Asian Games | 200m butterfly | Men | 3 | 2 | Ryuichi Shibata |
| 1982 | Asian Games | 200m individual medley | Men | 3 | 2 | Shinji Ito |
| 1986 | Asian Games | 200m individual medley | Men | 3 | 2 | Satoshi Takeda |
| 1994 | Asian Games | 200m individual medley | Men | 3 | 2 | Tatsuya Kinugasa |
| 2010 | Asian Games | 200m individual medley | Men | 3 | 2 | Yuya Horihata |
| 2022 | Asian Games | 200m individual medley | Men | 3 | 2 | Daiya Seto |
| 1999 | World Championship 25m | 200m butterfly | Men | 2 | 2 | Takashi Yamamoto |
| 2014 | World Championship 25m | 200m butterfly | Men | 2 | 2 | Daiya Seto |
| 2022 | World Championship 25m | 200m butterfly | Men | 2 | 2 | Daiya Seto |
| 1982 | Asian Games | 400m individual medley | Men | 3 | 2 | Shinji Ito |
| 1994 | Asian Games | 400m individual medley | Men | 3 | 2 | Takahiro Fujimoto |
| 2002 | Asian Games | 400m individual medley | Men | 3 | 2 | Shinya Taniguchi |
| 2010 | Asian Games | 400m individual medley | Men | 3 | 2 | Ken Takakuwa |
| 2014 | Asian Games | 400m individual medley | Men | 3 | 2 | Daiya Seto |
| 2016 | World Championship 25m | 100m individual medley | Men | 2 | 2 | Daiya Seto |
| 2012 | World Championship 25m | 200m individual medley | Men | 2 | 2 | Daiya Seto |
| 2014 | World Championship 25m | 400m individual medley | Men | 2 | 2 | Kosuke Hagino |
| 2022 | Asian Games | 10 km | Women | 2 | 2 | Airi Ebina |
| 1990 | Asian Games | 50m freestyle | Women | 3 | 2 | Naoko Imoto |
| 1998 | Asian Games | 50m freestyle | Women | 3 | 2 | Sumika Minamoto |
| 2006 | Asian Games | 50m freestyle | Women | 3 | 2 | Kaori Yamada |
| 2010 | Asian Games | 50m freestyle | Women | 3 | 2 | Yayoi Matsumoto |
| 1954 | Asian Games | 100m freestyle | Women | 3 | 2 | Shizue Miyabe |
| 1958 | Asian Games | 100m freestyle | Women | 3 | 2 | Hitomi Jinno |
| 1990 | Asian Games | 100m freestyle | Women | 3 | 2 | Suzu Chiba |
| 1994 | Asian Games | 100m freestyle | Women | 3 | 2 | Sumika Minamoto |
| 2006 | Asian Games | 100m freestyle | Women | 3 | 2 | Kaori Yamada |
| 2010 | Asian Games | 100m freestyle | Women | 3 | 2 | Haruka Ueda |
| 2014 | Asian Games | 100m freestyle | Women | 3 | 2 | Miki Uchida |
| 1958 | Asian Games | 200m freestyle | Women | 3 | 2 | Ryoko Omiya |
| 1966 | Asian Games | 200m freestyle | Women | 3 | 2 | Kazue Hayakawa |
| 1978 | Asian Games | 200m freestyle | Women | 3 | 2 | Sachiko Yamazaki |
| 1994 | Asian Games | 200m freestyle | Women | 3 | 2 | Suzu Chiba |
| 1998 | Asian Games | 200m freestyle | Women | 3 | 2 | Sachiko Yamada |
| 2002 | Asian Games | 200m freestyle | Women | 3 | 2 | Tomoko Nagai |
| 2006 | Asian Games | 200m freestyle | Women | 3 | 2 | Maki Mita |
| 2010 | Asian Games | 200m freestyle | Women | 3 | 2 | Hanae Ito |
| 2018 | Asian Games | 200m freestyle | Women | 3 | 2 | Chihiro Igarashi |
| 1954 | Asian Games | 400m freestyle | Women | 3 | 2 | Yoshiko Sato |
| 1958 | Asian Games | 400m freestyle | Women | 3 | 2 | Eiko Wada |
| 1966 | Asian Games | 400m freestyle | Women | 3 | 2 | Miwako Kobayashi |
| 1970 | Asian Games | 400m freestyle | Women | 3 | 2 | Eiko Goshi |
| 1974 | Asian Games | 400m freestyle | Women | 3 | 2 | Atsuko Sakai |
| 1986 | Asian Games | 400m freestyle | Women | 3 | 2 | Miki Wakahoi |
| 1990 | Asian Games | 400m freestyle | Women | 3 | 2 | Suzu Chiba |
| 2014 | Asian Games | 400m freestyle | Women | 3 | 2 | Chihiro Igarashi |
| 2018 | Asian Games | 400m freestyle | Women | 3 | 2 | Chihiro Igarashi |
| 2022 | Asian Games | 400m freestyle | Women | 3 | 2 | Waka Kobori |
| 2026 | Asian Games | 400m freestyle | Women | 3 | 2 | Ichika Kajimoto |
| 1978 | Asian Games | 800m freestyle | Women | 3 | 2 | Magumi Tochihara |
| 1986 | Asian Games | 800m freestyle | Women | 3 | 2 | Miki Wakahoi |
| 1990 | Asian Games | 800m freestyle | Women | 3 | 2 | Tomomi Hosoda |
| 1994 | Asian Games | 800m freestyle | Women | 3 | 2 | Sachiko Miyaji |
| 1998 | Asian Games | 800m freestyle | Women | 3 | 2 | Eri Yamanoi |
| 2006 | Asian Games | 800m freestyle | Women | 3 | 2 | Maiko Fujino |
| 2010 | Asian Games | 800m freestyle | Women | 3 | 2 | Maiko Fujino |
| 2014 | Asian Games | 800m freestyle | Women | 3 | 2 | Asami Chida |
| 2018 | Asian Games | 800m freestyle | Women | 3 | 2 | Waka Kobori |
| 2026 | Asian Games | 800m freestyle | Women | 3 | 2 | Ichika Kajimoto |
| 2018 | Asian Games | 1500m freestyle | Women | 3 | 2 | Waka Kobori |
| 2022 | Asian Games | 1500m freestyle | Women | 3 | 2 | Yumi Moriyama |
| 2026 | Asian Games | 1500m freestyle | Women | 3 | 2 | Ichika Kajimoto |
| 2006 | Asian Games | 50m backstroke | Women | 3 | 2 | Reiko Nakamura |
| 2014 | Asian Games | 50m backstroke | Women | 3 | 2 | Miyuki Takemura |
| 2018 | Asian Games | 50m backstroke | Women | 3 | 2 | Natsumi Sakai |
| 2022 | Asian Games | 50m backstroke | Women | 3 | 2 | Miki Takahashi |
| 1954 | Asian Games | 100m backstroke | Women | 3 | 2 | Midori Morimae |
| 1982 | Asian Games | 100m backstroke | Women | 3 | 2 | Koto Maeda |
| 1986 | Asian Games | 100m backstroke | Women | 3 | 2 | Naomi Sekido |
| 1990 | Asian Games | 100m backstroke | Women | 3 | 2 | Satomi Oguri |
| 1994 | Asian Games | 100m backstroke | Women | 3 | 2 | Mai Nakamura |
| 2002 | Asian Games | 100m backstroke | Women | 3 | 2 | Aya Terakawa |
| 1982 | Asian Games | 200m backstroke | Women | 3 | 2 | Hisae Asari |
| 1986 | Asian Games | 200m backstroke | Women | 3 | 2 | Hiroyo Harada |
| 1990 | Asian Games | 200m backstroke | Women | 3 | 2 | Satomi Oguri |
| 1994 | Asian Games | 200m backstroke | Women | 3 | 2 | Miki Nakao |
| 2006 | Asian Games | 200m backstroke | Women | 3 | 2 | Takami Igarashi |
| 2010 | Asian Games | 200m backstroke | Women | 3 | 2 | Aya Terakawa |
| 2026 | Asian Games | 200m backstroke | Women | 3 | 2 | Rio Shirai |
| 2010 | Asian Games | 50m breaststroke | Women | 3 | 2 | Satomi Suzuki |
| 1962 | Asian Games | 100m breaststroke | Women | 3 | 2 | Sachiko Aoki |
| 1978 | Asian Games | 100m breaststroke | Women | 3 | 2 | Chiharu Mori |
| 1990 | Asian Games | 100m breaststroke | Women | 3 | 2 | Asako Natsume |
| 1994 | Asian Games | 100m breaststroke | Women | 3 | 2 | Hitomi Maehara |
| 1998 | Asian Games | 100m breaststroke | Women | 3 | 2 | Masami Tanaka |
| 2002 | Asian Games | 100m breaststroke | Women | 3 | 2 | Fumiko Kawanabe |
| 2026 | Asian Games | 100m breaststroke | Women | 3 | 2 | Kotomi Kato |
| 2022 | World Championship 25m | 1500m freestyle | Women | 2 | 2 | Miyu Namba |
| 1954 | Asian Games | 200m breaststroke | Women | 3 | 2 | Chizuko Urahata |
| 1990 | Asian Games | 200m breaststroke | Women | 3 | 2 | Kyoko Kasuya |
| 1994 | Asian Games | 200m breaststroke | Women | 3 | 2 | Masami Tanaka |
| 1998 | Asian Games | 200m breaststroke | Women | 3 | 2 | Junko Isoda |
| 2002 | Asian Games | 200m breaststroke | Women | 3 | 2 | Fumiko Kawanabe |
| 2018 | Asian Games | 200m breaststroke | Women | 3 | 2 | Reona Aoki |
| 2022 | Asian Games | 200m breaststroke | Women | 3 | 2 | Runa Imai |
| 1999 | World Championship 25m | 50m backstroke | Women | 2 | 2 | Mai Nakamura |
| 2006 | Asian Games | 50m butterfly | Women | 3 | 2 | Yuka Kato |
| 2022 | Asian Games | 50m butterfly | Women | 3 | 2 | Rikako Ikee |
| 2026 | Asian Games | 50m butterfly | Women | 3 | 2 | Rikako Ikee |
| 1958 | Asian Games | 100m butterfly | Women | 3 | 2 | Tatsuyo Teragaito |
| 1986 | Asian Games | 100m butterfly | Women | 3 | 2 | Kiyomi Takahashi |
| 1990 | Asian Games | 100m butterfly | Women | 3 | 2 | Yoko Kando |
| 1998 | Asian Games | 100m butterfly | Women | 3 | 2 | Hitomi Kashima |
| 2010 | Asian Games | 100m butterfly | Women | 3 | 2 | Yuka Kato |
| 2002 | World Championship 25m | 200m backstroke | Women | 2 | 2 | Reiko Nakamura |
| 1990 | Asian Games | 200m butterfly | Women | 3 | 2 | Rie Shito |
| 1994 | Asian Games | 200m butterfly | Women | 3 | 2 | Mika Haruna |
| 1998 | Asian Games | 200m butterfly | Women | 3 | 2 | Hitomi Kashima |
| 2006 | Asian Games | 200m butterfly | Women | 3 | 2 | Yuko Nakanishi |
| 2014 | Asian Games | 200m butterfly | Women | 3 | 2 | Miyu Nakano |
| 2018 | Asian Games | 200m butterfly | Women | 3 | 2 | Suzuka Hasegawa |
| 2022 | Asian Games | 200m butterfly | Women | 3 | 2 | Hiroko Makino |
| 2026 | Asian Games | 200m butterfly | Women | 3 | 2 | Misa Okuzono |
| 1994 | Asian Games | 200m individual medley | Women | 3 | 2 | Hideko Hiranaka |
| 2002 | Asian Games | 200m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2006 | Asian Games | 200m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2014 | Asian Games | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 2018 | Asian Games | 200m individual medley | Women | 3 | 2 | Miho Teramura |
| 2026 | Asian Games | 200m individual medley | Women | 3 | 2 | Mio Narita |
| 1990 | Asian Games | 400m individual medley | Women | 3 | 2 | Fumie Kurotori |
| 1994 | Asian Games | 400m individual medley | Women | 3 | 2 | Hitomi Maehara |
| 2006 | Asian Games | 400m individual medley | Women | 3 | 2 | Maiko Fujino |
| 2018 | Asian Games | 400m individual medley | Women | 3 | 2 | Sakiko Shimizu |
| 2022 | Asian Games | 400m individual medley | Women | 3 | 2 | Mio Narita |
| 2026 | Asian Games | 400m individual medley | Women | 3 | 2 | Mio Narita |
| 1993 | World Championship 25m | 200m breaststroke | Women | 2 | 2 | Hitomi Maehara |
| 2014 | World Championship 25m | 200m breaststroke | Women | 2 | 2 | Rie Kaneto |
| 1997 | World Championship 25m | 200m butterfly | Women | 2 | 2 | Hitomi Kashima |
| 2018 | World Championship 25m | 100m individual medley | Women | 2 | 2 | Runa Imai |
| 2018 | Pan Pacific Championship | 200m freestyle | Men | 3 | 2 | Katsuhiro Matsumoto |
| 2006 | Pan Pacific Championship | 1500m freestyle | Men | 3 | 2 | Takeshi Matsuda |
| 1993 | Pan Pacific Championship | 100m backstroke | Men | 3 | 2 | Hajime Itoi |
| 2002 | Pan Pacific Championship | 100m backstroke | Men | 3 | 2 | Tomomi Morita |
| 2006 | Pan Pacific Championship | 100m backstroke | Men | 3 | 2 | Tomomi Morita |
| 1991 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Hajime Itoi |
| 1993 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Hajime Itoi |
| 1995 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Ryuji Horii |
| 2006 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Tomomi Morita |
| 2010 | Pan Pacific Championship | 200m backstroke | Men | 3 | 2 | Ryosuke Irie |
| 1991 | Pan Pacific Championship | 100m breaststroke | Men | 3 | 2 | Akira Hayashi |
| 2006 | Pan Pacific Championship | 100m breaststroke | Men | 3 | 2 | Kosuke Kitajima |
| 2014 | World Swimmer of the Year | Awards | Men | 1 | 2 | Kosuke Hagino |
| 2002 | Pan Pacific Championship | 200m breaststroke | Men | 3 | 2 | Daisuke Kimura |
| 2014 | Pan Pacific Championship | 200m breaststroke | Men | 3 | 2 | Kazuki Kohinata |
| 2026 | Pan Pacific Championship | 200m breaststroke | Men | 3 | 2 | Shin Ohashi |
| 1999 | Pan Pacific Championship | 100m butterfly | Men | 3 | 2 | Takashi Yamamoto |
| 2006 | Pan Pacific Championship | 100m butterfly | Men | 3 | 2 | Takashi Yamamoto |
| 2010 | Pan Pacific Championship | 100m butterfly | Men | 3 | 2 | Takuro Fujii |
| 2014 | Pan Pacific Championship | 100m butterfly | Men | 3 | 2 | Hirofumi Ikebata |
| 1991 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Keiichi Kawanaka |
| 1993 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Mitsuharu Takane |
| 2002 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Takashi Yamamoto |
| 2006 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Takeshi Matsuda |
| 2010 | Pan Pacific Championship | 200m butterfly | Men | 3 | 2 | Takeshi Matsuda |
| 2006 | Pan Pacific Championship | 200m individual medley | Men | 3 | 2 | Ken Takakuwa |
| 2014 | Pan Pacific Championship | 200m individual medley | Men | 3 | 2 | Daiya Seto |
| 2018 | Pan Pacific Championship | 200m individual medley | Men | 3 | 2 | Kosuke Hagino |
| 2002 | Pan Pacific Championship | 400m individual medley | Men | 3 | 2 | Takahiro Mori |
| 2018 | Pan Pacific Championship | 400m individual medley | Men | 3 | 2 | Daiya Seto |
| 1995 | Pan Pacific Championship | 50m freestyle | Women | 3 | 2 | Sumika Minamoto |
| 1995 | Pan Pacific Championship | 100m freestyle | Women | 3 | 2 | Suzu Chiba |
| 1991 | Pan Pacific Championship | 200m freestyle | Women | 3 | 2 | Suzu Chiba |
| 1993 | Pan Pacific Championship | 200m freestyle | Women | 3 | 2 | Suzu Chiba |
| 1991 | Pan Pacific Championship | 400m freestyle | Women | 3 | 2 | Suzu Chiba |
| 1993 | Pan Pacific Championship | 400m freestyle | Women | 3 | 2 | Suzu Chiba |
| 2002 | Pan Pacific Championship | 400m freestyle | Women | 3 | 2 | Sachiko Yamada |
| 2006 | Pan Pacific Championship | 400m freestyle | Women | 3 | 2 | Sachiko Yamada |
| 1993 | Pan Pacific Championship | 100m backstroke | Women | 3 | 2 | Yoko Koikawa |
| 1995 | Pan Pacific Championship | 100m backstroke | Women | 3 | 2 | Mai Nakamura |
| 2006 | Pan Pacific Championship | 100m backstroke | Women | 3 | 2 | Reiko Nakamura |
| 1997 | Pan Pacific Championship | 200m backstroke | Women | 3 | 2 | Miki Nakao |
| 2006 | Pan Pacific Championship | 200m backstroke | Women | 3 | 2 | Takami Igarashi |
| 2018 | Pan Pacific Championship | 100m breaststroke | Women | 3 | 2 | Reona Aoki |
| 2026 | Pan Pacific Championship | 100m breaststroke | Women | 3 | 2 | Satomi Suzuki |
| 1991 | Pan Pacific Championship | 200m breaststroke | Women | 3 | 2 | Kyoko Kasuya |
| 2018 | Pan Pacific Championship | 200m breaststroke | Women | 3 | 2 | Satomi Suzuki |
| 2014 | World Championship 25m | 100m backstroke | Men | 3 | 1 | Ryosuke Irie |
| 2016 | World Championship 25m | 200m backstroke | Men | 3 | 1 | Masaki Kaneko |
| 2018 | World Championship 25m | 100m breaststroke | Men | 3 | 1 | Yasuhiro Koseki |
| 2024 | World Championship 25m | 200m breaststroke | Men | 3 | 1 | Yamato Fukasawa |
| 2016 | World Championship 25m | 200m butterfly | Men | 3 | 1 | Daiya Seto |
| 2016 | World Championship 25m | 100m individual medley | Men | 3 | 1 | Shinri Shioura |
| 2014 | World Championship 25m | 200m individual medley | Men | 3 | 1 | Daiya Seto |
| 2016 | World Championship 25m | 200m individual medley | Men | 3 | 1 | Daiya Seto |
| 2018 | World Championship 25m | 200m individual medley | Men | 3 | 1 | Hiromasa Fujimori |
| 2004 | World Championship 25m | 400m freestyle | Women | 3 | 1 | Sachiko Yamada |
| 2016 | World Championship 25m | 400m freestyle | Women | 3 | 1 | Chihiro Igarashi |
| 2022 | World Championship 25m | 800m freestyle | Women | 3 | 1 | Miyu Namba |
| 2014 | World Championship 25m | 200m backstroke | Women | 3 | 1 | Sayaka Akase |
| 2012 | World Championship 25m | 200m breaststroke | Women | 3 | 1 | Kanako Watanabe |
| 2016 | World Championship 25m | 50m butterfly | Women | 3 | 1 | Rikako Ikee |
| 1999 | World Championship 25m | 100m butterfly | Women | 3 | 1 | Ayari Aoyama |
| 2016 | World Championship 25m | 100m butterfly | Women | 3 | 1 | Rikako Ikee |
| 2018 | World Championship 25m | 200m butterfly | Women | 3 | 1 | Suzuka Hasegawa |
| 2022 | World Championship 25m | 400m individual medley | Women | 3 | 1 | Waka Kobori |
Paris 2026: Records re-written at momentous European Aquatics Championships Paris 2026
As the last ripples flow from an outstanding European Aquatics Championships Paris 2026 its legacy in terms of world and continental swimming can be partly expressed by the list of records broken during the seven-day programme at the Olympic Aquatic Centre.
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