Genbukan (玄武館 ) is a school of Japanese martial arts, and one of the three X-kan. It was founded in 1984 by its present head and Grandmaster, Shoto Tanemura. The name Genbukan means 'the place that nurtures the professional martial artist'. The phrase Genbukan World Ninpo Bugei Federation, its abbreviation GWNBF and Genbukan are interchangeable . However only Honbu Dojo may refer to itself as Ninpo Bugei Dojo, Genbukan (忍法武芸道場、玄武館).