As the leading active teacher is Toshihiro Kubota whose legitimacy in preserving the teachings of his teacher Sakamoto Fusataro is supported by senior exponents of other ko-ryū. He formed his dojo and organization, the Tenyokai, in 1978. Receiving instruction in both judo and Tenshin Shinyo ryu from his teacher Sakamoto he received his license in 1973. In his seventies, he still actively participates in the teaching of the art three times a week. Apart from locals, his students are from far ranging countries such as Australia, Germany, Israel, Sweden and England. In addition to Tenjin Shinyo-ryu jujutsu, Kubota holds a 7th dan in judo.