IKO - International Karate Organization - 16th All Japan Weight Category Karate Tournament (1999)
Kumite Lightweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Lightweight | Ryu Narushima | Japan |
| 2 | Kumite Lightweight | Koji Yasuda | Japan |
| 3 | Kumite Lightweight | Masafumi Tagahara | Japan |
| 4 | Kumite Lightweight | Nobuyuki Kamio | Japan |
Kumite Middleweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Middleweight | Hiroyuki Kidachi | Japan |
| 2 | Kumite Middleweight | Shin Ito | Japan |
| 3 | Kumite Middleweight | Masahiro Kaneko | Japan |
| 4 | Kumite Middleweight | Hideo Sawada | Japan |
Kumite Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Heavyweight | Shinji Adachi | Japan |
| 2 | Kumite Heavyweight | Osamu Sumitani | Japan |
| 3 | Kumite Heavyweight | Kentaro Tanaka | Japan |
| 4 | Kumite Heavyweight | Naoji Mikoshiba | Japan |
Kumite Super Heavyweight
| Rang | Catégorie | Champion | Pays |
| 1 | Kumite Super Heavyweight | Kiyoyuki Shida | Japan |
| 2 | Kumite Super Heavyweight | Tadateru Sano | Japan |
| 3 | Kumite Super Heavyweight | Gun Irisawa | Japan |
| 4 | Kumite Super Heavyweight | Tatsuya Iwasaki | Japan |