| Swimming |
1997 World Swimming Championships (25 m) |
Göteborg |
 SWE |
100 m Breaststroke, Men |
11 |
 JPN |
|
| Swimming |
1997 World Swimming Championships (25 m) |
Göteborg |
SWE |
200 m Breaststroke, Men |
5 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
100 m Breaststroke, Men |
10 |
JPN |
|
| Swimming |
1997 Pan Pacific Swimming Championships |
Fukuoka |
JPN |
200 m Breaststroke, Men |
5 |
JPN |
|
| Swimming |
1997 Summer Universiade |
Catania |
 ITA |
100 m Breaststroke, Men |
🥉 |
JPN |
|
| Swimming |
1997 Summer Universiade |
Catania |
ITA |
200 m Breaststroke, Men |
🥇 |
JPN |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
 AUS |
100 m Breaststroke, Men |
41 |
JPN |
|
| Swimming |
1998 World Aquatics Championships |
Perth |
AUS |
200 m Breaststroke, Men |
21 |
JPN |
|