| Roles | Referee |
|---|---|
| Sex | Male |
| Full name | Eizo•Osaka |
| Used name | Eizo•Osaka |
| Born | 1 May 1933 in Akita, Akita (JPN) |
| Died | July 2013 |
| NOC |  Japan |
| Games | Sport (Discipline) / Event | NOC / Team | Phase | Unit | Role | As | |
|---|---|---|---|---|---|---|---|
| 1992 Summer Olympics | Equestrian Dressage (Equestrian) | JPN |
Eizo Osaka | ||||
| Individual, Open (Olympic) | Grand Prix | Grand Prix | Judge E | ||||
| Individual, Open (Olympic) | Grand Prix Special | Grand Prix Special | Judge M | ||||
| Team, Open (Olympic) | Final Standings | Final Standings | Judge E |
