30th All-Japan Open Championship in Kyokushin (SHIN (WKO)), 1998
Winners
- Toru Okamoto — Japan
- Tadashi Ishihara — Japan
- Kunihiro Suzuki — Japan
- Kou Tanigawa — Japan
- Kouji Abiko — Japan
- Shinegori Sakamoto — Japan
- Toshiyuki Nogami — Japan
- Tatsufumi Tomihira — Japan