What year was the Kodokan school and dojo opened ?
Durbin has Shihan rank in Kempo , Karate , jujutsu , Aikijujutsu , Kobujutsu and a Sibak rank in T'ai chi ch'uan through Juko Kai by Rod Sacharnoski , and a Shihan rank in Koga ha Kosho Shorei Ryu Ninjutsu under Nimr Hassan .