Title in Japan, properly the Agon-Kiriyama Cup. This is a pro-am event, called the Acom Cup until 1998.
Winners:
1994 O Rissei
1995 Kato Masao
1996 Kato Masao
1997 Yoda Norimoto
1998 Kobayashi Satoru
1999 Kobayashi Koichi
2000 Cho Sonjin
2001 Cho Sonjin
2002 Cho Chikun
2003 Kato Masao
2004 Hane Naoki