About the Organization

The International Shudokan Association was founded by karate-ka who can prove direct decent from a Shudokan Shihan personally designated as such by the founding master, Toyama Kanken.

The association has grown to nearly twenty thousand members since its founding in 1975. Membership is open to all practitioners of Shudokan world wide who want to reaffirm their style. It has become clear in recent years that the many karateka descended from Kanken Toyama have been overshadowed by the contemporary organizations because of the lack of organizational unity.

We invite all Shudokan practitioners to add their name to our membership and to once again show the martial art world that their are more than the four styles promulgated by the sports governing bodies.

History of Toyama Kanken (1888-1966)

* Picture hanging in Michio Koyasu's living room. Copied by Major James Caldwell

Kanken Toyama, the late great martial arts grandmaster, was born in Shuri, Okinawa the 21st year of Meiji on 24 September, 1888. His given name was Kanken Oyadamari and he was born into a noble family.

Toyama Kanken began his formal training in karate-do under Master Itarashiki in 1897. Later, he apprenticed himself to Anko Itosu, who then became his primary teacher and inspirational guide. He continued studying under Itosu until the master's death in 1915.

A school teacher by profession, Toyama's chosen field was the instruction of karate-do. In 1907 Toyama was named Shihandai (assistant) to Itosu at the Okinawa Teacher's College in Shuri City, and in 1914 he held a high office at the Shuri First Elementary School. Toyama was one of only two students to be granted the title of Shihanshi (protege); Funakoshi Ginchin was the other to receive this title from Itosu.

In 1924 Toyama Kanken moved his family to Taiwan where he taught elementary school and studied related systems of Chinese Ch'uan Fa ( kempo/kwan-bop ), which included Taku (Hakuda in Japanese language ), Makaitan, Rutaobai, and Ubo. Taku is one of central China's Hotsupu (northern school) Ch'uan Fa and is further classified as Neikung Ch'uan Fa (Shorei Kempo), that is, an internal method. Makaitan and Rutaobai, which the techniques of nukite (spear hand) came, and Ubo, all belong to the Nampa (southern school) Ch'uan Fa and are external methods or Waikung Ch'uan Fa (Shorei Kempo). These later three styles hail primarily from Taiwan and Fukuden, China. Toyama sensei was also known to have studied and taught Tai Chi Ch'uan Fa. Koyasu sensei studied t'ai chi from Toyama.

Early in 1930 Toyama moved again from Taiwan to mainland Japan and on 20 March 1930 he opened his first dojo in Tokyo. He called his dojo Shu Do Kan meaning "The Hall for the Study of the Way" (in this case the karate-way). Toyama sensei did not claim to originate a new style, system or school of thought, nor did he combine the different styles he had learned. Those who studied under him basically learned basically Itosu's Shorin Ryu and the related ch'uan fa.

Toyama Kanken, now a Dai Shihan, founded the All Japan Karate-Do Federation (AJKF) in 1946. There is some evidence that the AJKF actually got its start in 1930's, however the federation did not evolve into full fledged organization until it was officially documented and sanctioned in 1946. By establishing an organization such as the AJKF, Toyama's intention was to unify the karates of Japan and Okinawa into one governing organization, providing a forum for the exchange of ideas and technique. The federation became an authority for rank homologation and advancement issuing rank certification, and also created a forum for competition. This competition group later pioneered full contact sparring which used modified ken-do protective equipment (bogu). The AJKF was successful in attracting importantly outside notable people such as Dr. Tsuyoshi Chitose, the founder of Chito Ryu Karate-Do. Dr. Chitose served in several senior positions in the federation including president and vice-president.

Toyama's specialties in karate-do were strong gripping methods (Useishi No Kata and the Aku Ryoku Ho) of Itosu and Itarashiki and similar Chinese methods of finger and hand strengthening. He was the author of books Karate-do Taihokan and Karate-do. In 1949 Toyama was awarded a special title of honor by the Governor of Okinawa, Mr. Shikioku Koshin. Aside from learning Shorin-Ryu from Itosu, Toyama studied and mastered other styles of karate from other notable masters of Naha-te and Tomari-te which also included Okinawan Kobu-do. A few of his other teachers were Aragaki, Azato, Chibana, Oshiro, Tana, and Yabu.

It is also thought that when the Korean (Ch'uan fa) master, Yoon Byung-In came to train at his gymnasium, he also studied Northern Manchurian Kwan-bop with him. It is alleged that Toyama Kanken said that he and Yoon Byung-In should share techniques. Later Yoon Byung-In returned to Korea as a shihan of the Shudokan and taught that style there.

Although Toyama Kanken produced many capable instructors trained in his Shudokan style, he really did not view the Shu Do Kan as a style of karate-do, merely a place for training. Consequently, he did appoint a successor or Shudokan style head to succeed him and as a result the Toyama system fragmented after his death in 1966.

Master Onishi, a senior student, founded Koei Kan Ryu in 1952. Because of political differences in the national Japanese politics, Toyama gave him permission and full blessing to proceed on his own. Why he did this is not clear as he departed long before his teacher died and was apparently deprived of a very close relationship with Toyama.

After Toyama sensei's death other senior students established their own styles: Toshi Hanaue maintained the original Shu Do Kan; Ichikawa Iso founded Do Shin Kan Ryu (The Heart of the Way Style) in 1969; Michio Koyasu founded Soryu (The All or Complete Style) in 1967. Another notable student was Byong In Yoon- the only Korean listed in Toyama's book, the 1959 "AJKF/ Shu Do Kan register" as a 5th Dan Shihan located in Toyama's book. Byong In Yoon disappeared during the Korean war in the 1950's only to resurface in North Korea in 1995's. Two of his students went on to found two of Korea's most important Kwans. Lee Nam-suk founded the Chungmukwon (Hall for the Propagation of Military Training) and Park Chull-hee founded the Kang Duk Kwon (Training Hall for the Teaching of Virtue).

History of Michio Koyasu

Michio Koyasu's in his study. Photo by Major James Caldwell

Michio Koyasu, a Toyama protege, was born as Kiro Nagayama on 5 December 1925 in Tokyo, Japan. His father was a Major in the Japanese Imperial Army. His grandfather, a carpenter, was from Aomori, Japan. In 1938, when Koyasu sensei was 13, his father enrolled him in karate-do under the tutelage of Toyama sensei in Tokyo. To diversify his knowledge of the martial arts, young Kiro Nagayama studied ju-jutsu, ju-do, ken-do, and t'ai chi ch'uan fa.

During World War II, Nagayama served in the Japanese Imperial Army as a sergeant. He was stationed and served most of his time at the military academy in Tokyo. After the war he moved to Matsu Ura, Japan, where his father had been previously stationed, and started teaching karate-do. On 7 February 1950 Nagayama was promoted to Go Dan (5th degree), instructor ( Shihan ) and was given the name Michio Koyasu by Toyama sensei. Koyasu sensei continues this tradition for his students that earn Go Dan Shihan. Four or five years later (1954 or 1955), he moved to Sasebo, Japan where he started a new karate-bu ( karate club ) and established the All Japan Karate-Do Federation ( AJKF ) regional headquarters. Based on his ideas and philosophy, in 1950, Michio Koyasu opened the Soryu Kan karate-bu in Matsu Ura, Japan. Soryu , which means "the all or complete tradition or style, " was part of the Shu Do Kan Ryu style of karate-do. It wasn't until after Toyama's death in 1966 that Koyasu officially established Soryu as an official style. Koyasu sensei was promoted to Roku Dan (6th degree ) on 5 May 1958, to Nana Dan (7th degree ) on 29 July 1962 and to Hachi Dan (8th degree) in 1965.

In 1967 Koyasu became Soke (founder) when he founded Soryu Karate-Do. Toyama had always expressed that he did not his school name used as a style of karate-do after his name which is probably why he never named a successor. Toyama firmly believed there were no styles, that karate was just karate. Koyasu sensei had great admiration for his sensei and felt a strong obligation to follow his wish. He had many different and innovative ideas about what and how karate-do should be taught. Koyasu not only was a federation regional director but also served on the AJKF board of directors as one of it's vice-presidents. In 1987, when the AJKF divided due to political differences, Koyasu founded The All Japan Soryu Karate-Do Federation ( AJSKF ) then became an international style based organization. The federation headquarters is still located in Sasebo. In 1984 , the Japanese National Soryu Karate-Do Headquarters Dojo was relocated back in Matsu Ura in the Ken Ryu Kan (Dragon Fist School) headed by Yukihiro Ikeda (Michihiro Koyasu). The Shin Ryu Kan (Dragon Spirit School) headed by James A. Caldwell (Tatsuo Koyasu) was established as the United States headquarters in September 1991. Although the AJKF no longer exists, Dr. Chitose's Chito Ryu and So Ryu in Japan still maintain a close relationship.

Koyasu admired many of the great masters of karate-do and tried to follow their teachings, including those of Gichin Funakoshi. He feelings about karate-do were similar to those of Funakoshi and Toyama. A concept held in common was that the belief that there should be only one karate and it should not be broken into divergent styles. Koyasu felt so strongly about it that he developed kata, such as Bai Rei, meaning "The Strength Of A Cherry Tree," which employs the best techniques from many of the major styles of karate-do. He felt developing kata like this would help unify karate-do. He did away with a lot of the aesthetic techniques favored in kata and adopted the techniques that would be most useful for kumite.

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