| Swimming |
1993 Pan Pacific Swimming Championships |
Kobe |
 JPN |
800 m Freestyle, Men |
9 |
JPN |
|
| Swimming |
1993 Pan Pacific Swimming Championships |
Kobe |
JPN |
1,500 m Freestyle, Men |
8 |
JPN |
|
| Swimming |
1993 Pan Pacific Swimming Championships |
Kobe |
JPN |
400 m Freestyle, Men |
8 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
 USA |
400 m Freestyle, Men |
13 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
USA |
800 m Freestyle, Men |
6 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
USA |
1,500 m Freestyle, Men |
8 |
JPN |
|
| Swimming |
1995 Pan Pacific Swimming Championships |
Atlanta |
USA |
4 x 200 m Freestyle Relay, Men |
5 |
JPN |
|
| Swimming |
1995 Summer Universiade |
Fukuoka |
JPN |
1,500 m Freestyle, Men |
🥇 |
JPN |
|
| Swimming |
1995 Summer Universiade |
Fukuoka |
JPN |
400 m Freestyle, Men |
9 |
JPN |
|
| Swimming |
1995 Summer Universiade |
Fukuoka |
JPN |
800 m Freestyle, Men |
🥉 |
JPN |
|
| Swimming |
1996 Asian Aquatics Championships |
Bangkok |
 THA |
400 m Freestyle, Men |
🥈 |
JPN |
|
| Swimming |
1996 Asian Aquatics Championships |
Bangkok |
THA |
1,500 m Freestyle, Men |
🥈 |
JPN |
|
| Swimming |
1997 East Asian Games |
Pusan |
 KOR |
1,500 m Freestyle, Men |
🥇 |
JPN |
|
| Swimming |
1997 East Asian Games |
Pusan |
KOR |
400 m Freestyle, Men |
🥇 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
1,500 m Freestyle, Men |
4 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
800 m Freestyle, Men |
8 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
400 m Freestyle, Men |
=15 |
JPN |
|
| Swimming |
1997 Summer Universiade |
Catania |
 ITA |
400 m Freestyle, Men |
🥉 |
JPN |
|