IKO - International Karate Organization - 37th All Japan Open Karate Championship (2005)
Open Kumite
| Rang | Catégorie | Champion | Pays |
| 1 | Open Kumite | Yoshiaki Uchida | Japan |
| 2 | Open Kumite | Osamu Shiojima | Japan |
| 3 | Open Kumite | Tadakuni Tokuda | Japan |
| 4 | Open Kumite | Tatsuya Kato | Japan |
| 5 | Open Kumite | Hideo Sawada | Japan |
| 6 | Open Kumite | Masafumi Tagahara | Japan |
| 7 | Open Kumite | Naoki Ichimura | Japan |
| 8 | Open Kumite | Kentaro Tanaka | Japan |