All Japan Weight Category Champions - IKO 2

All Japan Champions - IKO 1

All Japan Champions - IKO 2

All Japan Results - IKO 1

All Japan Results - IKO 2

All Japan Weight Category Champions - IKO 1

All Japan Weight Category Champions - IKO 2

All Japan Weight Category Championships - IKO 1

All Japan Weight Category Championships - IKO 2

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Year

Lightweight

Middleweight

Heavyweight
2008 Syouhei Yamano Kazuhito Yamada Naohiro Nomoto
2007 Kou Tanigawa Kazuhito Yamada Kiyohide Kuno
2006 Yoshiaki Kikuhara Kazuhito Yamada Kiyohide Kuno
2005 No Tournament due to the 3rd World Cup : Click here for results
2004 Kensaku Yamamoto Kazuhito Yamada Norichika Tsukamoto
2003 Daisuke Komiyama Kenta Mori Takayuki Tsukakoshi
2002 Kenji Hirano Yoshitako Sato Naohiro Nomoto
2001 Kensaku Yamamoto Yoshitako Sato Yuichiro Osaka
2000 Ken Kato Kenji Miyagi Norichika Tsukamoto
Year Lightweight Light Middleweight Middleweight Light Heavyweight Heavyweight
1999 Kenji Hirano Shuichiro Tada Akihiko Shino Hiroshi Tanaka Yuichiro Osaka
1998 Akira Odajima Kou Tanigawa Takahiro Miyano Kenji Miyagi Norichika Tsukamoto
1997 Kazuyoshi Nakai Shuichiro Tada Yoshinori Ikeda Takehiro Katoh Yuichiro Osaka
Year Lightweight Middleweight Heavyweight
1996 Kou Tanigawa Tadashi Ishihara Toru Okamoto
1995 Kensaku Yamamoto Hiroyuki Miake Kunihiro Suzuki
1994 Kou Tanigawa Hiroyuki Miake Niiho Satoshi
1993 Kensaku Yamamoto Hidenori Aoki Kenji Yamaki
1992 Kensaku Yamamoto Eiji Kawamoto Yoshihiro Tamura
1991 Kensaku Yamamoto Naoyuki Sonoda Yoshihiro Tamura
1990 Kenji Midori Kyouichi Taguchi Tatsuya Iwasaki
1989 Seiji Yamame Hiroyuki Miake Yashuri Shichinohe
1988 Takahiro Kajiwara Hideki Shibata Masashi Kimoto
1987 Kenji Midori Yasuhiro Kuwajima Yashuri Shichinohe
1986 Takahiro Kajiwara Hidehiko Hashizume Yoshitaka Nishiyama
1985 Kenji Midori Takehisa Iriki Yashuri Shichinohe
1984 Masahiro Oga Hideaki Kakinuma Yashuri Shichinohe