After graduating from high school, he joined Gamba Osaka in 1992.
He debuted in 1993 and played many matches as offensive midfielder from 1994.
He moved to Kyoto Purple Sanga in 1999 and Vissel Kobe in 2000.
In July 1996, Morioka was selected Japan U-23 national team for 1996 Summer Olympics.
This biographical article related to a Japanese association football midfielder born in the 1970s is a stub.