9th All-Japan Open Championship in Kyokushin (IKO), 1977
Winners
- Takashi Azuma — Japan
- Takeo Nakayama — Japan
- Makoto Nakamura — Japan
- Noriyasu Hamai — Japan
- Tatsuo Nakamura — Japan
- Keiji Sanpei — Japan
- Tsuyoshi Hiroshige — Japan
- Riyouichi Saito — Japan