Asai became the first instructor to introduce karate to Taiwan. Through the second half of the 1960s, he taught karate in Hawaii for five years, with his students including Kenneth Funakoshi (a fourth cousin to Gichin Funakoshi).
Asai became the first instructor to introduce karate to Taiwan. Through the latter half of the 1960s, he taught karate in Hawaii for five years, with his students including Kenneth Funakoshi (a fourth cousin to Gichin Funakoshi).