Iizasa Chōisai Ienao was the founder of Tenshin Shōden Katori Shintō-ryū which is a traditional Japanese martial art. His Buddhist posthumous name is Taiganin-den-Taira-no-Ason-Iga-no-Kami-Raiodo-Hon-

Iaijutsu is a combative quick-draw sword technique. This art of drawing the katana is one of the Japanese ko-ryū martial art disciplines in the education of the classical warrior.