Inoha was born in Miyazaki on August 28, 1985. After dropping out from Hannan University, he joined J1 League club FC Tokyo in 2006. He played many matches as defensive midfielder and also played as side back and center back. In 2008, he moved to Kashima Antlers. He played many matches as center back. Kashima won the J1 League champions in 2008 and 2009. In July 2007, he moved to Croatian Prva HNL club Hajduk Split. In February 2012, he returned to Japan and joined Vissel Kobe. Although he played many matches, Kobe was relegated to J2 League end of 2012 the season. In 2013, he moved to Júbilo Iwata. However Iwata was relegated to J2 end of the 2013 season. He remained Iwata and Iwata was returned to J1 end of the 2015 season. In 2016, he rejoined Vissel Kobe and played in 3 seasons. In 2019, he moved to J2 club Yokohama FC. Yokohama was promoted to J1 from 2020.