| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
 JPN |
100 m Butterfly, Men |
13 |
JPN |
|
| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
JPN |
200 m Butterfly, Men |
9 |
JPN |
|
| Swimming |
1990 Swim World Cup |
Desenzano del Garda |
 ITA |
200 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
1990 Asian Games |
Beijing |
 CHN |
100 m Butterfly, Men |
🥉 |
JPN |
|
| Swimming |
1990 Asian Games |
Beijing |
CHN |
200 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
1991 World Aquatics Championships |
Perth |
 AUS |
100 m Butterfly, Men |
31 |
JPN |
|
| Swimming |
1991 World Aquatics Championships |
Perth |
AUS |
200 m Butterfly, Men |
9 |
JPN |
|
| Swimming |
1991 Pan Pacific Swimming Championships |
Edmonton |
 CAN |
100 m Butterfly, Men |
10 |
JPN |
|
| Swimming |
1991 Pan Pacific Swimming Championships |
Edmonton |
CAN |
200 m Butterfly, Men |
4 |
JPN |
|
| Swimming |
1992 Asian Aquatics Championships |
Hiroshima |
JPN |
100 m Butterfly, Men |
🥈 |
JPN |
|
| Swimming |
1992 Asian Aquatics Championships |
Hiroshima |
JPN |
200 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1992 Asian Aquatics Championships |
Hiroshima |
JPN |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|