Early career Uyenoyama had his first mixed martial arts fight in 2002 against
Rambaa Somdet, and although he did win his debut, he took a five-year hiatus before returning with another win.
DREAM Uyenoyama made his
DREAM debut against
Hideo Tokoro and lost the fight via unanimous decision.
Strikeforce Uyenoyama made his
Strikeforce debut, defeating Andrew Valladerez via a
rear-naked choke submission in 59 seconds at
Strikeforce: Young Guns. Uyenoyama moved his Strikeforce record to 2-0 with another first-round submission win with a
guillotine choke over Anthony Figueroa. Uyenoyama's third and final Strikeforce appearance took place at
Strikeforce: Destruction. Uyenoyama won via unanimous decision.
Ultimate Fighting Championship Uyenoyama signed with the
Ultimate Fighting Championship in 2011. Uyenoyama made his bantamweight debut against Japanese superstar
Norifumi Yamamoto at
UFC on Fox: Velasquez vs. Dos Santos. Uyenoyama defeated heavy favorite Yamamoto via unanimous decision. Uyenoyama was expected to make his Flyweight debut at
UFC on Fox 3 on May 5, 2012, against
John Dodson. However, Uyenoyama was forced out of the bout and replaced by promotional newcomer
Tim Elliott. However, Gaudinot was forced out of the bout with an injury and replaced by promotional newcomer
Phil Harris. Uyenoyama submitted Harris in the second round with a rear-naked choke. Uyenoyama faced
Joseph Benavidez on April 20, 2013, at
UFC on Fox 7. Uyenoyama lost the fight via TKO in the second round. Uyenoyama was expected to face
John Moraga on December 14, 2013, at
UFC on Fox 9. However, Moraga pulled out of the bout with an undisclosed injury and was replaced by promotional newcomer
Alptekin Özkiliç. Uyenoyama lost the fight via split decision, and was subsequently released from the promotion shortly after.
Post-UFC career Following his release from the UFC, Uyenoyama signed with Pacific Xtreme Combat in September 2014. He faced Shane Alvarez at PXC 45 on October 24, 2014, and won the fight via ground-and-pound TKO in the first round. On March 13, 2015, he faced Kentaro Watanabe at PXC 47, winning the fight via split decision. Uyenoyama challenged Riley Dutro for the vacant PXC
Flyweight title on November 18, 2016, at PXC 55, losing the fight by TKO (punches) in the first round. ==Mixed martial arts record==