| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
 JPN |
100 m Butterfly, Men |
11 |
JPN |
|
| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
JPN |
200 m Butterfly, Men |
5 |
JPN |
|
| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
JPN |
4 x 100 m Medley Relay, Men |
DQ |
JPN |
|
| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
JPN |
4 x 50 m Medley Relay, Men |
6 |
JPN |
|
| Swimming |
1990 Swim World Cup |
Göteborg |
 SWE |
100 m Butterfly, Men |
🥉 |
JPN |
|
| Swimming |
1990 Swim World Cup |
Desenzano del Garda |
 ITA |
100 m Butterfly, Men |
🥉 |
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 |
1990 Asian Games |
Beijing |
CHN |
4 x 100 m Medley Relay, Men |
🥈 |
JPN |
|
| Swimming |
1991 World Aquatics Championships |
Perth |
 AUS |
100 m Butterfly, Men |
28 |
JPN |
|
| Swimming |
1991 World Aquatics Championships |
Perth |
AUS |
200 m Butterfly, Men |
6 |
JPN |
|
| Swimming |
1991 Summer Universiade |
Sheffield |
 GBR |
200 m Butterfly, Men |
🥉 |
JPN |
|