The International Karate Organization Kyokushinkaikan is the original and sole legal entity representing Mas Oyama's Karate. So-honbu and it's affiliated members function as a direct connection to the lineage and source of Kyokushin Karate, and it's original spiritual and physical teachings, as taught by Sosai Masutatsu Oyama.

The IKO Kyokushinkaikan aims to promote a cooperative and inspiring environment for everyone, regardless of gender, race, nationality, religion or economical circumstances, to realize his/her fullest potential spiritually and physically through the Budo Karate of Sosai Mas Oyama.

The primary goals of the IKOK are:

• To preserve the original philosophy and teachings of Sosai Mas Oyama.
• To honor the honbu established by Sosai Mas Oyama as the spiritual home of Kyokushin Karate and IKO Kyokushinkaikan headquaters and to preserve so-honbu for all future generations.
• To ensure the very highest of teaching and training standards amongst its representatives worldwide to maintain Kyokushin's integrity and standardization.
• To progagate the true values of Budo; honesty, loyalty, humility, courage, effort, filial piety, consideration for others, wise discrimination and balance.