Career 2000 Sydney Olympics In long course 100m butterfly: 58.52 (April 16, 2008) 200m butterfly: 2:06.38 Japanese Record (April 19, 2008).
Achievements 2000 Sydney Olympics 200m butterfly 7th (Heat 2:1022, Semifinal 2:0989, Final 2:0966) 2004 Athens Olympics 100m butterfly 14th (Heat 1:0016, Semifinal 5953) 200m butterfly 3rd (Heat 2:1004, Semifinal 2:0883, Final 2:0804) 2008 Beijing Olympics 100m butterfly 18th (Heat 5861) 200m butterfly 5th (Heat 2:0662, Semifinal 2:0696, Final 2:0732).