| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Koki•Takagi |
| Used name | Koki•Takagi |
| Original name | 高木•弘毅 |
| Born | 22 December 1936 in ?, Kyoto (JPN) |
| Measurements | 172 cm / 72 kg |
| NOC | Japan |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1960 Summer Olympics | Water Polo (Aquatics) | JPN |
Koki Takagi | |||
| Water Polo, Men (Olympic) | Japan | =13 | ||||
| 1964 Summer Olympics | Water Polo (Aquatics) | JPN |
Koki Takagi | |||
| Water Polo, Men (Olympic) | Japan | =9 |