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. Mixed martial arts career 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. Mixed martial arts record |- | Loss | align=center| 18–9–2 | Nik Lentz | TKO (punches) | UFC 150 | | align=center| 1 | align=center| 3:45 | Denver, Colorado, United States | |- | Loss | align=center| 18–8–2 | Takanori Gomi | TKO (punches) | UFC 144 | | align=center| 2 | align=center| 2:21 | Saitama, Japan | |- | Win | align=center| 18–7–2 | Bruno Carvalho | Decision (unanimous) | Dream: Japan GP Final | | align=center| 2 | align=center| 5:00 | Tokyo, Japan | |- | Win | align=center| 17–7–2 | Jung Gyeong Lee | Submission (punches) | Deep: 53 Impact | | align=center| 1 | align=center| 3:50 | Tokyo, Japan | |- | Loss | align=center| 16–7–2 | Kazunori Yokota | Decision (unanimous) | World Victory Road Presents: Sengoku 11 | | align=center| 3 | align=center| 5:00 | Tokyo, Japan | |- | Win | align=center| 16–6–2 | Clay French | Submission (guillotine choke) | World Victory Road Presents: Sengoku 9 | | align=center| 1 | align=center| 1:51 | Saitama, Saitama, Japan | |- | Win | align=center| 15–6–2 | Sergey Golyaev | Submission (armbar) | World Victory Road Presents: Sengoku no Ran 2009 | | align=center| 1 | align=center| 4:22 | Saitama, Saitama, Japan | |- | Loss | align=center| 14–6–2 | Satoru Kitaoka | Submission (heel hook) | World Victory Road Presents: Sengoku 6 | | align=center| 1 | align=center| 1:16 | Saitama, Saitama, Japan | |- | Win | align=center| 14–5–2 | Rodrigo Damm | Submission (rear-naked choke) | World Victory Road Presents: Sengoku 4 | | align=center| 1 | align=center|