| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Swimming (Aquatics) |  JPN |
Hironobu Nagahata | |||
| 100 metres Breaststroke, Men (Olympic) | 13 | |||||
| 200 metres Breaststroke, Men (Olympic) | 30 | |||||
| 4 × 100 metres Medley Relay, Men (Olympic) | Japan | 5 |
