Komiyama is a left sided defender who has a sense of steady defence and accurate crosses. He was a member of the Japanese team what won gold in football in the 2005 Summer Universiade in Turkey. In 2006 he joined the Yokohama F. Marinos as part of a special JFL/J.League program and made his debut for the club. In 2007 he signed full professional terms with Yokohama F. Marinos. Komiyama received a call-up for the national team in 2007 by Ivica Osim but has yet to play a game for Japan.