| Games |  |
 |
 |
Total |
|---|---|---|---|---|
 Summer Olympics |
1 | 0 | 3 | 4 |
| Winter Olympics |
0 | 0 | 0 | 0 |
| Total | 1 | 0 | 3 | 4 |
| Medal | Athletes | Games | Sport | Event | ||
|---|---|---|---|---|---|---|
|
 Japan |
Hitoshi SAITO |  1988 Seoul |
 Judo |
Men's | + 95kg (heavyweight) |
|
Japan |
Shinji HOSOKAWA | 1988 Seoul |
Judo |
Men's | - 60 kg |
|
Japan |
Yosuke YAMAMOTO | 1988 Seoul |
Judo |
Men's | 60 - 65kg (half-lightweight) |
|
Japan |
Akinobu OSAKO | 1988 Seoul |
Judo |
Men's | 78 - 86kg (middleweight) |
| 4 | Total | |||||