| Swimming |
1999 Pan Pacific Swimming Championships |
Sydney |
 AUS |
100 m Backstroke, Men |
17 |
 JPN |
|
| Swimming |
1999 Pan Pacific Swimming Championships |
Sydney |
AUS |
200 m Backstroke, Men |
7 |
JPN |
|
| Swimming |
2002 Pan Pacific Swimming Championships |
Yokohama |
JPN |
400 m Freestyle, Men |
7 |
JPN |
|
| Swimming |
2002 Pan Pacific Swimming Championships |
Yokohama |
JPN |
100 m Backstroke, Men |
12 |
JPN |
|
| Swimming |
2002 Pan Pacific Swimming Championships |
Yokohama |
JPN |
200 m Backstroke, Men |
7 |
JPN |
|
| Swimming |
2002 Asian Games |
Busan |
 KOR |
200 m Backstroke, Men |
🥉 |
JPN |
|