Bujinkan means “Divine Warrior House.” It is an international organization with its Hombu dojo in Japan.

Bujinkan Budo Taijutsu has its roots in feudal martial arts and warriorship and its branches and leaves in modern combat and de-escalation focusing on ethical protection and preserving life. It is comprised of nine Ryu–ha as taught to Hatsumi Masaaki Soke by Toshitsugu Takamatsu. The Nine Ryu–Ha are:

• Gyokko Ryu Kosshijutsu
• Koto Ryu Koppojutsu
• Togakure Ryu Ninpo Taijutsu
• Shinden Fudo Ryu Dakentaijutsu
• Kukishinden Ryu Happo Biken
• Takagi Yoshin Ryu Jutaijutsu
• Gyokushin Ryu Ninpo
• Gikan Ryu Koppojutsu
• Kumogakure Ryu Ninpo