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Gender: Male
| Swimming | ||
| JPN Japan | ||
| Rank | Event | Result |
| Los Angeles 1984 | ||
| 33 (of 68) | 100m freestyle | |
| 33 (of 56) | 200m freestyle | |
| 22 (of 37) | 400m freestyle | |
| 13 (of 23) | 4x100m freestyle relay | |
| Disqualified | 4x200m freestyle relay | |
| Seoul 1988 | ||
| 32 (of 78) | 100m freestyle | |
| 15 (of 63) | 200m freestyle | 1:51.89 (+4.64) |
| 38 (of 49) | 400m freestyle | |
| 5 (of 25) | 4x100m medley relay | 3:44.36 (+7.43) |
| Barcelona 1992 | ||
| 45 (of 77) | 100m freestyle | |
| 30 (of 56) | 200m freestyle | |
| 24 (of 47) | 400m freestyle | |