Cage Force
is a retired Japanese professional mixed martial artist. A professional competitor from 2001 until 2012, Mitsuoka fought for the UFC, DREAM, World Victory Road, PRIDE, Shooto, Cage Force, DEEP and King of the Cage promotions. Mitsuoka's nickname , which translates as "The Heaven-sent Child of the Cage" was given in reference to his earlier career in King of the Cage and his performance in Cage Force.