Yoseikan Budo originated in 1931 as the style created by its founder Minoru Mochizuki (1907-2003), a high ranking student and assistant to Jigoro Kano, the founder of judo and Morihei Ueshiba, the founder of aikido, in the pre-World War II period.

In Japanese history, a ninja (忍者 ) was a warrior specially trained in a variety of unorthodox arts of war. These include assassination, illusion, and espionage. The exact origin of the ninja is a matter of debate. It is known that ninja appeared in 14th century Japan and remained active from the Kamakura to the [...]