Career
Mitsuoka is a Dream veteran and has fought for the UFC, World Victory Road, Pride, Shooto, Deep and King of the Cage promotions. Mitsuoka"s nickname Kanaami no Mōshigo (金網の申し子), 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. Ultimate Fighting Championship
Mitsuoka made his UFC debut replacing an injured George Sotiropoulos against Takanori Gomi on February 26, 2012 at UFC 144.
He lost the fight via TKO in the second round.
Mitsuoka faced Nik Lentz in his featherweight debut on August 11, 2012 at UFC 150. He lost the fight via first round TKO and was subsequently released from the promotion.