| Roles | Competed in Olympic Games |
|---|---|
| Sex | Male |
| Full name | Seiko•Iseki |
| Used name | Seiko•Iseki |
| Original name | 偉関•晴光 |
| Other names | Wei Qingguang, 韋 晴光 |
| Born | 2 July 1962 in Nanning, Guangxi (CHN) |
| Measurements | 165 cm / 60 kg |
| NOC | Japan People's Republic of China |
| Medals | OG |
| Gold | 1 |
| Silver | 0 |
| Bronze | 0 |
| Total | 1 |
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1988 Summer Olympics | Table Tennis | CHN |
Qingguang Wei | |||
| Doubles, Men (Olympic) | Chen Longcan | 1 | Gold | |||
| 2000 Summer Olympics | Table Tennis | JPN |
Seiko Iseki | |||
| Singles, Men (Olympic) | =17 | |||||
| Doubles, Men (Olympic) | Toshio Tasaki | =9 |