1st World Weight Category Championships

1997, Osaka, Japan

Lightweight

Middleweight

Heavyweight

Super Heavyweight

1. Piotr Sawicki POLAND   
2. Leszek Zgrzebiniak POL.
3. Ryu Narushima JAPAN
4. Yevgeny Prokhorov RUS.
5. Fareidoun Norooz IRAN
6. Masafumi Tagahara JAPAN
7. Vsevolod Mokrihev RUSSIA
8. Dean Bawtimheimer CAN.

1. Hitoshi Kiyama JAPAN
2. Shinji Adachi JAPAN
3. Marcos Costa BRAZIL
4. Hiroyuki Kidachi JAPAN 
5. Garry O`Neill  AUSTRALIA
6. Tatsuya Fukuda JAPAN
7. Joji Hibino U.S.A.
8. Gennadiy Gladishev RUS.

1. Masayoshi Takaku JAPAN
2. Norihisa Horiike JAPAN
3. Fumihiro Sugiyama JAPAN
4. Igor Shumin  RUSSIA
5. Robin Hammond N. ZEALAND
6. Simphwe Dlulane  S. AFRICA
7. Egil Arne Okland NORWAY
8. Naoki Ichimura JAPAN

1. Francisco Filho BRAZIL
2. Glaube Feitosa BRAZIL
3. Nicholas Pettas DENMARK
4. Masaki Takao JAPAN
5. Yoshihiro Tamura JAPAN
6. Gun Irisawa JAPAN
7. Walter Schnaubelt PNG 
8. Kiiyoyuki Shida JAPAN

23rd August, 2009, Chiba, Japan

Lightweight

Middleweight

Heavyweight

Super Heavyweight

1. Yuzo Suzuki JAPAN
2. Tomohiko Matsuoka JAP.
3. Piotr Moczydlowski POL.
4. Riyuji Isobe BRAZIL

1. Zenjyuro Mori JAPAN
2. Hiroyuki Kidachi JAPAN
3. Shohei Yamamonto U.S.A.
4. Andrews Nakahara BRAZIL

1. Kentaro Tanaka JAPAN
2. Alejandro Navarro SPAIN
3. Eduardo Tanaka BRAZIL
4. Goderdzi Kapanadze RUS.

1. Mikhail Kozlov RUSSIA
2. Zahari Damyanov BULGARIA
3. Makoto Akaishi JAPAN
4. Krzysztof Habraszka POL.

3rd World Weight Category Championships

1st May, 2005, Tokyo, Japan

Lightweight

Middleweight

Heavyweight

Super Heavyweight

1. Lucien Gogonel  ROMANIA
2. Yuzo Suzuki JAPAN
3. Osama Shiojima JAPAN
4. Felipe Kuwahara BRAZIL
5. Yuuki Fukuii JAPAN.
6. Marcel Murakaev  RUSSIA
7. Mmangilso Mthembu  S.A
8. Riyuji Isobe BRAZIL

1. Andrews Nakahara BRAZIL
2. Takamitsu Sakurai JAPAN
3. Hiroyuki Kidachi JAPAN
4. Emil Kostov BULGARIA
5. Sylwester Sypien POLAND
6. Nicolae Stoian  ROMANIA
7. Mikhail Tretyakov RUSSIA
8. Khosro Yaghoubi IRAN

1. Kentaro Tanaka JAPAN
2. Maxim Dedik RUSSIA
3. Fabiano Da Silva BRAZIL
4. Kenshin Morimura JAPAN
5. Eduardo Tanaka BRAZIL
6. Igor Titkov RUSSIA
7. Darmen Sadvokasov RUS.
8. Magomed Mitsaev RUSSIA

1. Ewerton Teixeira BRAZIL
2. Lechi Kurbanov  RUSSIA
3. Alexander Pichkunov RUS.
4. Andrey Stepin RUSSIA
5. Mikhail Kozlov RUSSIA
6. Artur Oganasian ARMENIA
7. Zalim Temrokov RUSSIA
8. Tadakuni Tokuda JAPAN

2nd World Weight Category Championships

10th June, 2001, Osaka, Japan

Lightweight

Middleweight

Heavyweight

Super Heavyweight

1. Masafumi Tagahara JAP.
2. Yuuki Fukuii JAPAN
3. Shiro Yaginuma JAPAN
4. Riyuji Isobe BRAZIL
5. Piotr Sawicki POLAND  
6. Koji Yasuda JAPAN
7. Dmitriy Kudryavstev RUS.
8. Abdullah Al-Barrwan KUW.

1. Emil Kostov BULGARIA
2. Hiroyuki Kidachi JAP.
3. Khosro Yaghoubi IRAN
4. Yuji Shin JAPAN
5. Garry O'Neill  AUS.
6. Shin Itoh JAPAN
7. Alexander Karpachev RUS.
8. Nicolae Stoian  ROMANIA

1. Hitoshi Kiyama JAPAN
2. Sergey Osipov RUSSIA
3. Naoki Ichimura JAPAN
4. Kentaro Tanaka JAPAN
5. Juhan Herbst  S. AFRICA
6. Diogo Silva BRAZIL
7. Masoto Ikeda JAPAN
8. Vsevolod Mokrihev RUSSIA

1. Hajime Kazumi JAPAN
2. Atsushi Kadoi JAPAN
3. Sergey Plekhanov  RUSSIA
4. Alexander Pichkunov RUS.
5. Shinji Adachi JAPAN
6. Yasuhiko Kimura JAPAN
7. Sergio Da Costa BRAZIL
8. Ewerton Teixeira BRAZIL