| Swimming |
1993 East Asian Games
|
Shanghai |
 CHN |
200 m Freestyle, Men |
🥉 |
 JPN |
|
| Swimming |
1993 East Asian Games
|
Shanghai |
CHN |
100 m Freestyle, Men |
🥉 |
JPN |
|
| Swimming |
1993 Pan Pacific Swimming Championships
|
Kobe |
JPN |
50 m Freestyle, Men |
29 |
JPN |
|
| Swimming |
1993 Pan Pacific Swimming Championships
|
Kobe |
JPN |
100 m Freestyle, Men |
13 |
JPN |
|
| Swimming |
1993 Pan Pacific Swimming Championships
|
Kobe |
JPN |
200 m Freestyle, Men |
13 |
JPN |
|
| Swimming |
1994 Asian Games
|
Hiroshima |
JPN |
4 x 100 m Freestyle Relay, Men |
🥇 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships
|
Atlanta |
 USA |
100 m Freestyle, Men |
23 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships
|
Atlanta |
USA |
200 m Freestyle, Men |
6 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships
|
Atlanta |
USA |
400 m Freestyle, Men |
7 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships
|
Atlanta |
USA |
4 x 100 m Freestyle Relay, Men |
=4 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships
|
Atlanta |
USA |
4 x 200 m Freestyle Relay, Men |
5 |
JPN |
|
| Swimming |
1995 Summer Universiade
|
Fukuoka |
JPN |
200 m Freestyle, Men |
9 |
JPN |
|
| Swimming |
1995 Summer Universiade
|
Fukuoka |
JPN |
4 x 100 m Freestyle Relay, Men |
8 |
JPN |
|
| Swimming |
1995 Summer Universiade
|
Fukuoka |
JPN |
4 x 200 m Freestyle Relay, Men |
🥉 |
JPN |
|
| Swimming |
1997 East Asian Games
|
Pusan |
 KOR |
100 m Freestyle, Men |
🥈 |
JPN |
|
| Swimming |
1997 East Asian Games
|
Pusan |
KOR |
200 m Freestyle, Men |
🥈 |
JPN |
|