| Swimming |
1997 East Asian Games |
Pusan |
 KOR |
50 m Freestyle, Men |
🥇 |
 JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
50 m Freestyle, Men |
7 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
100 m Freestyle, Men |
24 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
4 x 100 m Freestyle Relay, Men |
5 |
JPN |
|
| Swimming |
1998 Asian Games |
Bangkok |
 THA |
50 m Freestyle, Men |
🥈 |
JPN |
|
| Swimming |
1998 Asian Games |
Bangkok |
THA |
4 x 100 m Freestyle Relay, Men |
🥇 |
JPN |
|
| Swimming |
1999 Pan Pacific Swimming Championships |
Sydney |
 AUS |
50 m Freestyle, Men |
7 |
JPN |
|
| Swimming |
1999 Pan Pacific Swimming Championships |
Sydney |
AUS |
100 m Freestyle, Men |
=27 |
JPN |
|
| Swimming |
1999 Pan Pacific Swimming Championships |
Sydney |
AUS |
4 x 100 m Freestyle Relay, Men |
5 |
JPN |
|
| Swimming |
2001 East Asian Games |
Osaka |
JPN |
4 x 100 m Freestyle Relay, Men |
🥇 |
JPN |
|
| Swimming |
2001 East Asian Games |
Osaka |
JPN |
50 m Freestyle, Men |
🥈 |
JPN |
|
| Swimming |
2001 World Aquatics Championships |
Fukuoka |
JPN |
50 m Freestyle, Men |
🥉 |
JPN |
|
| Swimming |
2001 Summer Universiade |
Beijing |
 CHN |
50 m Freestyle, Men |
🥉 |
JPN |
|