High Quality Content by WIKIPEDIA articles! The three X-Kan, a term coined by Joe Maurantonio in mid-1995, are systems of traditional Japanese martial arts with their roots in the teachings of Toshitsugu Takamatsu. THe founders of both the Genbukan - Shoto Tanemura, and Jinenkan - Manaka Unsui, were both students of Masaaki Hatsumi before forming their respective schools. TOshitsugu Takamatsu was born on 10 March 1889 in Akashi, Hyogo province, Japan and died on 2 April 1972. HE was a martial artist who taught and formed many next generation Grandmasters of various martial art traditions. TOshitsugu Takamatsu, also known as Moko no Tora, was a Sensei, a teacher, of martial arts. REcognized as the last practicing ninja, he was employed as such by the emperors of both Japan and China. BOrn in 1887 into a family of samurai lineage, he was taught by his grandfather, Masamitsu Toda, a phenomenal warrior, from whom Takamatsu Sensei inherited the martial art systems of Shinden Fudo Ryu, Gyokko Ryu, Togakure Ryu, and Koto Ryu.