IKO - International Karate Organization - 4th All Japan Weight Category Karate Tournament (1987)
Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Lightweight | Kenji Midori | Japan |
| 2 | Kumite Lightweight | Hiroyuki Miyake | Japan |
| 3 | Kumite Lightweight | Hisayoshi Tsuda | Japan |
| 4 | Kumite Lightweight | Takashi Kimura | Japan |
Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Middleweight | Yasuhiro Kuwajima | Japan |
| 2 | Kumite Middleweight | Hidehiko Hashizume | Japan |
| 3 | Kumite Middleweight | Masahiro Oga | Japan |
| 4 | Kumite Middleweight | Hisya Kitamoto | Japan |
Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Heavyweight | Yasuhiro Shichinohe | Japan |
| 2 | Kumite Heavyweight | Hiroki Kurosawa | Japan |
| 3 | Kumite Heavyweight | Masashi Kimoto | Japan |
| 4 | Kumite Heavyweight | Koichi Okamura | Japan |