| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Mikio•Chiba |
| Used name | Mikio•Chiba |
| Original name | 千葉•幹夫 |
| Born | 1 May 1935 in ?, Iwate (JPN) |
| Measurements | 173 cm / 60 kg |
| NOC | Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1964 Summer Olympics | Equestrian Eventing (Equestrian) | JPN |
Mikio Chiba | |||
| Individual, Open (Olympic) | Mauta | 34 | ||||
| Team, Open (Olympic) | Mauta / Japan | |||||
| 1968 Summer Olympics | Equestrian Eventing (Equestrian) | JPN |
Mikio Chiba | |||
| Individual, Open (Olympic) | Josephine |