IKO - International Karate Organization - 6th All Japan Weight Category Karate Tournament (1989)
Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Lightweight | Seiji Yamame | Japan |
| 2 | Kumite Lightweight | Toshhiko Imanishi | Japan |
| 3 | Kumite Lightweight | Hisayoshi Tsuda | Japan |
| 4 | Kumite Lightweight | Toru Sakata | Japan |
Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Middleweight | Hiroyuki Miyake | Japan |
| 2 | Kumite Middleweight | Niiho Satoshi | Japan |
| 3 | Kumite Middleweight | Masaaki Yoshii | Japan |
| 4 | Kumite Middleweight | Masaki Yamamoto | Japan |
Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Heavyweight | Yasuhiro Shichinohe | Japan |
| 2 | Kumite Heavyweight | Yoshihiro Tamura | Japan |
| 3 | Kumite Heavyweight | Iwao Takita | Japan |
| 4 | Kumite Heavyweight | Masaru Machida | Japan |