26th All-Japan Open Championship — SHIN (WKO) (1994)
28th All-Japan Open Championship — SHIN (WKO) (1996)
29th All-Japan Open Championship — SHIN (WKO) (1997)
30th All-Japan Open Championship — SHIN (WKO) (1998)
32nd All-Japan Open Championship — SHIN (WKO) (2000)
33rd All-Japan Open Championship — SHIN (WKO) (2001)
34th All-Japan Open Championship — SHIN (WKO) (2002)
36th All-Japan Open Championship — SHIN (WKO) (2004)
37th All-Japan Open Championship — SHIN (WKO) (2005)
38th All-Japan Open Championship — SHIN (WKO) (2006)
