Tak Kubota

is a Japanese American master of karate. He founded the Gosoku-ryu style of karate, and is the founder and president of the International Karate Association. Kubota holds the title of Sōke for his development of the Gosoku-ryū style of karate. He is also the inventor and holder of the trademark of the Kubotan self-defense key chain.Kubota was a self-defense instructor for the Tokyo Police department in the 1950s, where he was noted for his expertise in practical karate. He has devoted his life to learning, creating, and teaching the application of self-defense techniques to military, law enforcement, and civilian personnel. He has earned black belt degrees in karate, judo, aikido, kendo, and iaido.

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