On July 5, 1963, the Sosuishi-ryu Jujutsu Kai, or Association, was established at a meeting at the Sekiryukan, in <censored>uoka. This is the only association authorized by the Shitama family to represent and award promotions in Sosuishi-Ryu. Master Manzo Shitama, 16th inheritor of Sosuishi-ryu, serves as its Director; all memberships and Black Belt certificates are signed by him.
Manzo Shitama assumed the inheritance upon the death of his father, Shusaku, on March 31, 1966. Although his father was the first of the Shitama line to teach non-Japanese, Manzo was the first Shitama to travel to the United States, in November, 1995. He visited the International Headquarters in New York, as well as the only other recognized Sosuishi-Ryu Dojo in the United States in Portland, Oregon.
Although many claim to hold grades in Sosuishi-ryu (Sosuishitsu-ryu), very few actually do. The Sosuishi-ryu Jujutsu Kai (SJJK) prides itself on maintaining quality, not quantity, and is governed by very strict rules in regard to character and physical ability. Consequently, not everyone is accepted as a student or member, and those who are accepted are evaluated constantly. As students advance, they are judged more and more on attitude and intent. Sosuishi-ryu's complete original kata (forms), the kumi-uchi, remain unchanged. Iai-Jutsu, Drawing of the Sword (or Koshi-No-Mawari, as it is known in Sosuishi-ryu), is another mandatory requirement, for it was the Samurai sword (katana) that is perhaps the leading factor from which the Sosuishi-ryu kata were derived.