| Roles | Competed in Olympic Games | 
|---|---|
| Sex | Male | 
| Full name | Yaichi•Numata | 
| Used name | Yaichi•Numata | 
| Original name | 沼田•弥一 | 
| Born | 29 June 1951 in Omotego, Fukushima (JPN) | 
| Measurements | 168 cm / 65 kg | 
| NOC |   Japan | 
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1972 Summer Olympics | Cycling Track (Cycling) |  JPN | 
Yaichi Numata | |||
| Sprint, Men (Olympic) | 2 h8 r2/10 | |||||
| Tandem Sprint, 2,000 metres, Men (Olympic) | Yoshikazu Cho | AC h1 r2/5 |