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News
Notice Concerning Historical Kyokushin Items at The Budo Shop.
The Honbu Committee of Sosai Masutatsu Oyama and the Oyama family wish to clarify the status of historical items currently displayed at the Budo Shop operated by Mr. Kakuta in Nishi-Ikebukuro, Toshima-ku, Tokyo, Japan. As rumors from visitors has reached us recently we felt it necessary for facts to be stated. None of these items were given or sold to Mr. Kakuta by Sosai Masutatsu Oyama, Mrs. Chiyako Oyama, their daughters, or anyone authorized to act on behalf of the Oyama f
Office Mas-Oyama
Sep 6


The Unauthorized Use of Sosai Mas Oyama’s Legacy
PUBLIC CLARIFICATION REGARDING KWO (MAS OYAMA) Summary of Findings and Continuing Review Honbu Committee originally intended to issue this clarification a year ago. Publication was deferred because the matters under review involved multiple jurisdictions, incomplete records, and questions concerning potential fraud, misrepresentation, organizational registration, and the unauthorized use of intellectual property. Honbu Committee has now reviewed the available communications,
Office Mas-Oyama
Aug 30
Sosai Masutatsu Oyama 33rd Memorial Service.
The 33rd Memorial of Sosai Masutatsu Oyama This year marks the 33rd Buddhist Memorial of Sosai Masutatsu Oyama. In our tradition, this milestone signifies the completion of a spiritual journey and a transition toward lasting ancestral continuity. It is a time for us to reflect on Sosai’s life and our shared responsibility to carry his legacy forward. For this memorial, we have decided to hold a private gathering. While Sosai’s influence is felt worldwide, he remains, first an
Office Mas-Oyama
Apr 7


Introduction to the Honbu Committee and the Legal IP Compliance Framework
Preface This is a manifesto—an invitation to reflect on where we came from and how we can now rebuild with purpose. The Honbu Committee exists not to divide, but to clarify and protect Sosai’s legacy for future generations. Introduction to the Honbu Committee and the Legal IP Compliance Framework As we move forward in protecting and honoring the true legacy of Sosai Mas Oyama, it has become necessary to establish a framework that upholds both ethical martial arts practice and
Office Mas-Oyama
Jul 28, 2025


Regarding the Unauthorized Use and Piracy of Sosai Mas Oyama’s Legacy
Safeguarding the Name and Legacy of Sosai Masutatsu Oyama As the official custodians of the name, teachings, and intellectual property of...
Office Mas-Oyama
Jul 20, 2025


Official Ban Notice
Notice of Ban Regarding Pembinaan Mental Kyokushin Karate Group (Indonesia) Effective immediately, the group operating under the name...
Office Mas-Oyama
Jul 11, 2025


Official Clarification
Clarification: Jadotte, Suzuki & Grace Mesa Jensen falsely claim Kyokushin ties. No legal authority. Report misconduct: office@mas-oyama.com
Office Mas-Oyama
Apr 21, 2025


The Complete Bibliography of Sosai Mas Oyama: A Legacy in Print
Explore Sosai Mas Oyama's complete literary legacy, from foundational karate techniques to profound life philosophy.
Office Mas-Oyama
Feb 10, 2025


A Message from the Oyama Family
Discover Kuristina Oyama's official statement on preserving Sosai Mas Oyama's legacy and the true essence of Kyokushin Karate.
Office Mas-Oyama
Dec 24, 2024


Transform Your Life Through Gratitude: Unlocking the Power of Thankfulness for Happiness, Health, and Abundance
The secret to living well and longer is: Eat half, walk double, laugh triple and love without measure. - Tibetan Proverb Happy November!...
Office Mas-Oyama
Nov 8, 2024
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