| 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 |
|