IKO - International Karate Organization - 12th All Japan Open Karate Championship (1980)
Open Kumite
| Rang | Catégorie | Champion | Pays |
| 1 | Open Kumite | Keiji Sanpei | Japan |
| 2 | Open Kumite | Makoto Nakamura | Japan |
| 3 | Open Kumite | Takashi Yosinga | Japan |
| 4 | Open Kumite | Akiyoshi Matsui | Japan |
| 5 | Open Kumite | Shiro Yazima | Japan |
| 6 | Open Kumite | Michael Soderkvist | Sweden |
| 7 | Open Kumite | Harutomo Takeyama | Japan |
| 8 | Open Kumite | Masayuki Shiraishi | Japan |