is a Japanese butterfly swimmer.
Major achievements 2007 World Championships 50 m butterfly 10th (26.91) 2008 Beijing Olympics 100 m butterfly 23rd (58.94) 4 × 100 m medley relay 6th (Heat 3:59.91, Final 3:59.54) 2012 London Olympics 100 m butterfly 11th 4 x 100 m medley relay 3rd
Personal Bests In long course 50 m butterfly: 26.07 Japanese Record (April 10, 2011) 100 m butterfly: 57:80 former Japanese Record (April 11, 2011) In short course 50 m butterfly: 25.34 Japanese Record (10 November 2013) 100 m butterfly: 56.09 Japanese Record (9 November 2013)
References
http://www.joc.or.jp/beijing/athlete/aquatics/katoyuka.html