IKO - International Karate Organization - 22nd All Japan Weight Category Karate Tournament (2005)
Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Lightweight | Makoto Ozaki | Japan |
| 2 | Kumite Lightweight | Atsushi Ono | Japan |
| 3 | Kumite Lightweight | Shintarou Koyama | Japan |
| 4 | Kumite Lightweight | Kunitomo Kondou | Japan |
Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Middleweight | Tomohiko Matsuoka | Japan |
| 2 | Kumite Middleweight | Zenjyuro Mori | Japan |
| 3 | Kumite Middleweight | Atsutomo Mori | Japan |
| 4 | Kumite Middleweight | Yuuki Otsuka | Japan |
Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Heavyweight | Hiroyuki Kidachi | Japan |
| 2 | Kumite Heavyweight | Yasushi Itatani | Japan |
| 3 | Kumite Heavyweight | Yoshitatsu Beppu | Japan |
| 4 | Kumite Heavyweight | Toshihiro Kanamori | Japan |
Kumite Super Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Super Heavyweight | Mikhail Kozlov | Russia |
| 2 | Kumite Super Heavyweight | Keiji Higuchi | Japan |
| 3 | Kumite Super Heavyweight | Yoshiaki Uchida | Japan |
| 4 | Kumite Super Heavyweight | Artem Pukas | Russia |