RISE Super Featherweight title reign

Komiyama made his professional debut in December 2007, against Daisuke Honma. He won the figh by decision.^[3] Komiyama would go on to win his next three fights, before fighting Masato Fuse for the RISE Rookies Cup at R.I.S.E 49. He beat Fuse by TKO, managing to knock him down three times in the second round.^[4]

Komiyama amassed a 7-2 record over his next nine fights, before challenging Kan Itabashi for the RISE Super Featherweight title at RISE 74.^[5] He won the fight by split decision.^[6]

His next four fights were non-title bouts. At RISE 80 he fought Hamza Essalih,^[7] whom he defeated by majority decision.^[8] At RISE 83 he beat Kim Jin Hyeok by unanimous decision,^[9] at RISE 85 he beat Sergio Wielzen by a first round knockout, and at RISE 87 he beat Mu Yuenlong by a first round TKO.^[10]

He was scheduled to defend his title for the first time at RISE 88, when he faced Motochika Hanada. He beat Hanada by TKO, after Hanada's corner threw in the towel in the fourth round.^[11] Following his successful title defense, Komiyama extended his winning streak to 12, which culminated in a majority decision over Yuki.^[12] The streak was snapped by Itto at RISE 95, who defeated Komiyama by unanimous decision.^[13]

Komiyama was scheduled to defend his title for the second time at RISE 97, against Masanobu Goshu, whom he beat by majority decision.^[14]

BLADE FC tournament

AFter back to back losses to Maki Pinsiam and Kaew Fairtex, Komiyama entered the 2014 BLADE FC 61kg tournament. In the quarterfinals, he fought Yasuyuki, and won the fight by unanimous decision. He won the semifinal bout against Katsuji in same fashion. Komiyama fought SHIGERU in the tournament final, and stopped his opponent by knockout in the second round.^[15]

For his last fight with RISE, Komiyama was scheduled to fight Mansour Yaqubi at RISE 109.^[16] The fight ended in a draw after three rounds, and so went into an extra round, after which Komiyama won by unanimous decision.^[17]