| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
 JPN |
200 m Individual Medley, Men |
11 |
JPN |
|
| Swimming |
1989 Pan Pacific Swimming Championships |
Tokyo |
JPN |
400 m Individual Medley, Men |
4 |
JPN |
|
| Swimming |
1990 Asian Games |
Beijing |
 CHN |
200 m Individual Medley, Men |
🥇 |
JPN |
|
| Swimming |
1990 Asian Games |
Beijing |
CHN |
400 m Individual Medley, Men |
🥇 |
JPN |
|
| Swimming |
1991 World Aquatics Championships |
Perth |
 AUS |
200 m Individual Medley, Men |
24 |
JPN |
|
| Swimming |
1991 World Aquatics Championships |
Perth |
AUS |
400 m Individual Medley, Men |
10 |
JPN |
|
| Swimming |
1991 Summer Universiade |
Sheffield |
 GBR |
200 m Individual Medley, Men |
🥉 |
JPN |
|
| Swimming |
1991 Summer Universiade |
Sheffield |
GBR |
400 m Individual Medley, Men |
🥇 |
JPN |
|
| Swimming |
1992 Asian Aquatics Championships |
Hiroshima |
JPN |
200 m Individual Medley, Men |
🥇 |
JPN |
|
| Swimming |
1992 Asian Aquatics Championships |
Hiroshima |
JPN |
400 m Individual Medley, Men |
🥇 |
JPN |
|
| Swimming |
1994 Asian Games |
Hiroshima |
JPN |
200 m Individual Medley, Men |
🥈 |
JPN |
|
| Swimming |
1994 Asian Games |
Hiroshima |
JPN |
400 m Individual Medley, Men |
🥉 |
JPN |
|