IKO - International Karate Organization - 48th All Japan Open Karate Championship (2016)
Open Kumite
| Rang | Catégorie | Champion | Pays |
| 1 | Open Kumite | Syohei Kamada | Japan |
| 2 | Open Kumite | Yuta Takahashi | Japan |
| 3 | Open Kumite | Mikio Ueda | Japan |
| 4 | Open Kumite | Shoki Arata | Japan |
| 5 | Open Kumite | Ashot Zarinyan | Russia |
| 6 | Open Kumite | Konstantin Kovalenko | Russia |
| 7 | Open Kumite | Seiya Tanigawa | Japan |
| 8 | Open Kumite | Eldar Ismailov | Ukraine |