1998 Japan Nationals - JBBF
HeavyWeight | |
| 1 | Toshio Konuma 小沼敏雄 |
| 2 | Yoshihiro Kurosu |
Light-HeavyWeight | |
| 1 | Takayuki Naito 内藤隆之 |
| 2 | Hiroshi Inoue 井上浩 |
| 3 | Chiaki Kawaguchi 川口千晶 |
MiddleWeight | |
| 1 | Yoshihiro Yano 谷野義弘 |
| 2 | Hidetada Yamagishi |
| 3 | Shuji Ishizaki 石崎秀二 |
Light-MiddleWeight | |
| 1 | Fumitoshi Takanishi 高西文利 |
| 2 | Kenji Kondo 近藤賢司 |
| 3 | Yoriichi Yamada |
WelterWeight | |
| 1 | Toshihiko Hirota 廣田俊彦 |
| 2 | Koji Godo 合戸孝二 |
| 3 | Mitsuo Tezuka |
LightWeight | |
| 1 | Masayuki Kikuchi 菊池正幸 |
| 2 | Hiroshi Tsuda 津田宏 |
| 3 | Kazumi Kokubo 小久保一美 |
BantamWeight | |
| 1 | Eiichi Ishikawa 石川栄一 |
| 2 | Takenobu Maekawa 前川武宣 |
| 3 | Hidetoshi Tanaka |