| Medals | OG |
| Gold | 1 |
| Silver | 0 |
| Bronze | 0 |
| Total | 1 |
Masamitsu Ichiguchi had the following finishes at major championships – 1962 World Championship: 57.0 kg. Greco-Roman (1st); 1962 Asian Games: 57.0 kg. Greco-Roman (1st).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Wrestling |  JPN |
Masamitsu Ichiguchi | |||
| Bantamweight, Greco-Roman, Men (Olympic) | 7 | |||||
| 1964 Summer Olympics | Wrestling | JPN |
Masamitsu Ichiguchi | |||
| Bantamweight, Greco-Roman, Men (Olympic) | 1 | Gold |
