| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
 USA |
200 m Butterfly, Men |
7 |
 JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
USA |
100 m Butterfly, Men |
5 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
USA |
4 x 100 m Medley Relay, Men |
🥉 |
JPN |
|
| Swimming |
1996 Asian Aquatics Championships |
Bangkok |
 THA |
200 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1996 Asian Aquatics Championships |
Bangkok |
THA |
100 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1997 East Asian Games |
Pusan |
 KOR |
200 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1997 East Asian Games |
Pusan |
KOR |
100 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
100 m Butterfly, Men |
4 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
200 m Butterfly, Men |
4 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
4 x 100 m Medley Relay, Men |
AC |
JPN |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
 AUS |
4 x 100 m Medley Relay, Men |
7 |
JPN |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
AUS |
200 m Butterfly, Men |
4 |
JPN |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
AUS |
100 m Butterfly, Men |
6 |
JPN |
|
| Swimming |
1998 Asian Games |
Bangkok |
THA |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
1998 Asian Games |
Bangkok |
THA |
200 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1998 Asian Games |
Bangkok |
THA |
100 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1999 World Swimming Championships (25 m) |
Hong Kong |
 HKG |
200 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
1999 World Swimming Championships (25 m) |
Hong Kong |
HKG |
100 m Butterfly, Men |
7 |
JPN |
|
| Swimming |
1999 World Swimming Championships (25 m) |
Hong Kong |
HKG |
50 m Butterfly, Men |
13 |
JPN |
|
| Swimming |
1999 Pan Pacific Swimming Championships |
Sydney |
AUS |
100 m Butterfly, Men |
🥉 |
JPN |
|
| Swimming |
1999 Pan Pacific Swimming Championships |
Sydney |
AUS |
200 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
1999 Pan Pacific Swimming Championships |
Sydney |
AUS |
4 x 100 m Medley Relay, Men |
🥉 |
JPN |
|
| Swimming |
2001 East Asian Games |
Osaka |
JPN |
100 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
2001 East Asian Games |
Osaka |
JPN |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
2001 East Asian Games |
Osaka |
JPN |
200 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
4 x 100 m Medley Relay, Men |
6 |
JPN |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
200 m Butterfly, Men |
5 |
JPN |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
100 m Butterfly, Men |
4 |
JPN |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
50 m Butterfly, Men |
=28 |
JPN |
|
| Swimming |
2002 Swim World Cup |
Edmonton |
 CAN |
200 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
2002 Swim World Cup |
Edmonton |
CAN |
100 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
2002 World Swimming Championships (25 m) |
Moskva |
 RUS |
100 m Butterfly, Men |
9 |
JPN |
|
| Swimming |
2002 World Swimming Championships (25 m) |
Moskva |
RUS |
50 m Butterfly, Men |
19 |
JPN |
|
| Swimming |
2002 World Swimming Championships (25 m) |
Moskva |
RUS |
200 m Butterfly, Men |
DNS |
JPN |
|
| Swimming |
2002 Pan Pacific Swimming Championships |
Yokohama |
JPN |
200 m Butterfly, Men |
🥉 |
JPN |
|
| Swimming |
2002 Pan Pacific Swimming Championships |
Yokohama |
JPN |
100 m Butterfly, Men |
4 |
JPN |
|
| Swimming |
2002 Pan Pacific Swimming Championships |
Yokohama |
JPN |
4 x 100 m Medley Relay, Men |
4 |
JPN |
|
| Swimming |
2002 Asian Games |
Busan |
KOR |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
2002 Asian Games |
Busan |
KOR |
200 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
2002 Asian Games |
Busan |
KOR |
100 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
2003 United States Spring Swimming Championships |
Indianapolis, Indiana |
USA |
100 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
2003 United States Spring Swimming Championships |
Indianapolis, Indiana |
USA |
200 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
2003 World Aquatics Championships |
Barcelona |
 ESP |
100 m Butterfly, Men |
6 |
JPN |
|
| Swimming |
2003 World Aquatics Championships |
Barcelona |
ESP |
200 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
2003 World Aquatics Championships |
Barcelona |
ESP |
4 x 100 m Medley Relay, Men |
🥉 |
JPN |
|
| Swimming |
2003 World Aquatics Championships |
Barcelona |
ESP |
50 m Butterfly, Men |
25 |
JPN |
|
| Swimming |
2006 Pan Pacific Swimming Championships |
Victoria |
CAN |
200 m Butterfly, Men |
9 |
JPN |
|
| Swimming |
2006 Pan Pacific Swimming Championships |
Victoria |
CAN |
100 m Butterfly, Men |
🥉 |
JPN |
|
| Swimming |
2006 Asian Games |
Doha |
 QAT |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
2006 Asian Games |
Doha |
QAT |
100 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
2007 World Aquatics Championships |
Melbourne |
AUS |
50 m Butterfly, Men |
=34 |
JPN |
|
| Swimming |
2007 World Aquatics Championships |
Melbourne |
AUS |
100 m Butterfly, Men |
13 |
JPN |
|
| Swimming |
2007 World Aquatics Championships |
Melbourne |
AUS |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|