| Roles | Competed in Olympic Games | |
|---|---|---|
| Sex | Male | |
| Full name | Seiko•Iseki | |
| Used name | Seiko•Iseki | |
| Original name | 伟関•晴光 | |
| Other names | Wei Qingguang, 韦 晴光 | |
| Born | 2 July 1962 in Nanning, Guangxi |  CHN |
| Measurements | 165 cm / 60 kg | |
| NOC | Japan |  JPN |
| People's Republic of China | CHN |
| 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 |
