Official Mas Oyama
Website
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Banned Organizations – Trademark Violations
These Groups Do Not Represent the True Kyokushinkaikan.
The names, logos, and trademarks displayed on this page belong to unauthorized organizations that are misusing the Kyokushinkaikan name. Their inclusion here is for informational purposes only, to protect the integrity of Sosai Mas Oyama’s legacy and intellectual property rights. The Mas Oyama Kyokushinkaikan (Oyama Family, Custodian Kuristina Oyama) holds exclusive rights to the Kyokushinkaikan trademark and takes legal action against unauthorized use. If you suspect trademark infringement or misrepresentation, please contact us.
Unauthorized Organizations Using the Kyokushinkaikan Name
The organizations listed below are not officially recognized by the Mas Oyama Kyokushinkaikan and are misusing the Kyokushinkaikan trademark. They do not represent the legacy of Sosai Mas Oyama or his teachings. For authentic Kyokushinkaikan representation, only trust officially approved organizations.
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KWO Mas Oyama
Led by Hanshi Flemming Jinzen Schrøter