37th All-Japan Open Championship in Kyokushin (IKO), 2005
Winners
- Yoshiaki Uchida — Japan
- Osamu Shiojima — Japan
- Tadakuni Tokuda — Japan
- Tatsuya Kato — Japan
- Hideo Sawada — Japan
- Masafumi Tagahara — Japan
- Naoki Ichimura — Japan
- Kentaro Tanaka — Japan