| Swimming |
1997 Swim World Cup |
Gelsenkirchen |
 GER |
200 m Breaststroke, Men |
🥉 |
 JPN |
|
| Swimming |
1997 Swim World Cup |
Imperia |
 ITA |
200 m Breaststroke, Men |
🥉 |
JPN |
|
| Swimming |
1997 Swim World Cup |
Paris |
 FRA |
200 m Breaststroke, Men |
🥉 |
JPN |
|
| Swimming |
1997 East Asian Games |
Pusan |
 KOR |
100 m Breaststroke, Men |
🥈 |
JPN |
|
| Swimming |
1997 East Asian Games |
Pusan |
KOR |
200 m Breaststroke, Men |
🥈 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
100 m Breaststroke, Men |
8 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
200 m Breaststroke, Men |
🥈 |
JPN |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
 AUS |
200 m Breaststroke, Men |
15 |
JPN |
|
| Swimming |
1999 Summer Universiade |
Palma de Mallorca |
 ESP |
200 m Breaststroke, Men |
🥈 |
JPN |
|
| Swimming |
2001 East Asian Games |
Osaka |
JPN |
200 m Breaststroke, Men |
🥈 |
JPN |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
200 m Breaststroke, Men |
14 |
JPN |
|