53rd All-Japan Open Championship — SHIN (WKO) (2021)
54th All-Japan Open Championship — SHIN (WKO) (2022)
56th All-Japan Open Championship — SHIN (WKO) (2024)
1st All-Japan Open Championship — IKO (1969)
2nd All-Japan Open Championship — IKO (1970)
57th All-Japan Open Championship — SHIN (WKO) (2025)
3rd All-Japan Open Championship — IKO (1971)
4th All-Japan Open Championship — IKO (1972)
5th All-Japan Open Championship — IKO (1973)
6th All-Japan Open Championship — IKO (1974)
