Kodenkan YudanshakaiEst. 1967 · Tucson, Arizona
Founded 1967 · Tucson, Arizona

Kodenkan Yudanshakai

A non-profit organization dedicated to the teaching of the martial arts and the perpetuation of the esoteric principles of Henry Seishiro Okazaki — family-based classes in self-defense, Jujitsu, and Karate.

Find a School Our History
Who We Are

School of the Ancient Tradition Black Belt Society

Founded in 1967, the Kodenkan Yudanshakai (School of the Ancient Tradition Black Belt Society) is headquartered in Tucson, Arizona, and has member schools (dojos) in several states.

Please see the Schools page for more information on our member schools, locations, martial arts, and self-defense classes.

Martial Art Offerings

Core & Affiliate Arts

Core Arts

  • Danzan Ryu Jujitsu
  • Kajukenbo
  • Matsuno Kajukenbo Kai
  • Matsuno Ryu Goshinjitsu
  • Shorin Ryu Karate

Affiliate Arts

  • Mantis Boxing Kung Fu
  • Ryuseiken Batto Do
  • Shukokai Karate
In the Dojo
Student in gi practicing a Danzan Ryu Jujitsu technique at a Kodenkan Yudanshakai dojo.
Instructor demonstrating a jujitsu throw with a student at a member dojo.
Wide view of students training together during a Kodenkan Yudanshakai class.
Student performing a self-defense technique during training.

Photo(s) copyright 2017 Martha Lochert Photography.

Support the Organization

A 501(c)(3) Organization

The Kodenkan Yudanshakai is a registered non-profit. Your donations help support our dojos and the perpetuation of Professor Okazaki's teachings.

Donate with PayPal