Seisan Seisan The karate kata (alternate names Sesan, Seishan, Jusan, Hangetsu) literally means '13'. Some people refer to the kata as '13 Hands', '13 Fists', '13 Techniques', '13 Steps' or even '13 killing positions'. However, these names have no historical basis. Seisan is thought to be one of the oldest kata, being quite spread among other Nahate schools. Shito-ryu has its own version and different versions are now practised even in Shuri-te derivatives like Shotokan (called Hangetsu) and in Wado-ryu (called Seishan). Isshin-ryū also adopted this kata. This kata is also practiced in Korean styles such as Tang Soo Do and
Tenshinsho Jigen Ryu the Ryushin Shouchi Ryu. Today, Tenshinsho Jigen Ryu has its headquarters in Saitama Prefecture. It is headed by 29th headmaster, Ueno Takashi Doushin, and Ueno Kagenori, the present headmaster of the school. Ueno Kagenori has conducted several seminars outside Japan, specifically in West Virginia, North Carolina and Florida, U.S.A. <br> The philosophy of Tenshinsho Jigen Ryu is to have pride in the five virtues and to cultivate the spirit of simplicity and fortitude. These five virtues are represented on the different parts of the Japanese sword. The spirit of simplicity and fortitude is often represented by a special four character