Koichi Shimamura - is a video game composer. Koichi Shimamura began his career in 1994 and has worked for companies such as Bandai. Koichi Shimamura's first game was Dragon Ball Z: Idainaru Son Goku Densetsu which was released 30 years ago. Best Game Koichi Shimamura contributed to was Dragon Ball Z: Idainaru Son Goku Densetsu. Koichi Shimamura's latest work is Dragon Ball Z: Idainaru Son Goku Densetsu which was released 30 years ago.