| Swimming |
1985 Pan Pacific Swimming Championships |
Tokyo |
 JPN |
100 m Butterfly, Men |
11 |
JPN |
|
| Swimming |
1985 Pan Pacific Swimming Championships |
Tokyo |
JPN |
4 x 100 m Medley Relay, Men |
5 |
JPN |
|
| Swimming |
1986 World Aquatics Championships |
Madrid |
 ESP |
100 m Butterfly, Men |
30 |
JPN |
|
| Swimming |
1986 World Aquatics Championships |
Madrid |
ESP |
200 m Butterfly, Men |
28 |
JPN |
|
| Swimming |
1986 Asian Games |
Seoul |
 KOR |
100 m Butterfly, Men |
🥇 |
JPN |
|
| Swimming |
1986 Asian Games |
Seoul |
KOR |
4 x 100 m Freestyle Relay, Men |
🥈 |
JPN |
|
| Swimming |
1986 Asian Games |
Seoul |
KOR |
4 x 100 m Medley Relay, Men |
🥇 |
JPN |
|
| Swimming |
1991 Pan Pacific Swimming Championships |
Edmonton |
 CAN |
100 m Butterfly, Men |
5 |
JPN |
|
| Swimming |
1991 Pan Pacific Swimming Championships |
Edmonton |
CAN |
200 m Butterfly, Men |
10 |
JPN |
|
| Swimming |
1991 Pan Pacific Swimming Championships |
Edmonton |
CAN |
4 x 100 m Medley Relay, Men |
4 |
JPN |
|
| Swimming |
1993 Pan Pacific Swimming Championships |
Kobe |
JPN |
100 m Butterfly, Men |
7 |
JPN |
|
| Swimming |
1993 Pan Pacific Swimming Championships |
Kobe |
JPN |
200 m Butterfly, Men |
11 |
JPN |
|