Takamitsu Katayama had the following finishes at major championships – 1998 World Championship: 76.0 kg. Greco-Roman (15th); 1995 World Championship: 74.0 kg. Greco-Roman (19th); 1997 World Championship: 76.0 kg. Greco-Roman (20th); 1997 Asian Championship: 76.0 kg. Greco-Roman (1st); 1996 Asian Championship: 74.0 kg. Greco-Roman (2nd); 2000 Asian Championship: 76.0 kg. Greco-Roman (2nd); 1995 Asian Championship: 74.0 kg. Greco-Roman (3rd); 1999 Asian Championship: 76.0 kg. Greco-Roman (3rd); 1998 Asian Games: 76.0 kg. Greco-Roman (2nd); 1994 Asian Games: 74.0 kg. Greco-Roman (3rd).
| Games | Discipline (Sport) / Event | NOC / Team | Pos | Medal | As | |
|---|---|---|---|---|---|---|
| 1996 Summer Olympics | Wrestling |  JPN |
Takamitsu Katayama | |||
| Welterweight, Greco-Roman, Men (Olympic) | 8 | |||||
| 2000 Summer Olympics | Wrestling | JPN |
Takamitsu Katayama | |||
| Middleweight, Greco-Roman, Men (Olympic) | 17 |
