After leaving Dokkyo University without graduating, he started to earn his living as an illustrator, writer and pornographic cartoonist.
He joined a theatre called Hakken no Kai in 1978 and he made a screen debut in Zokubutsu Zukan (based on the book by Yasutaka Tsutsui) in 1982.
He was also a prominent cult musician in the Tokyo underground scene with his band Bachikaburi in the 1980s and early 1990s.
He became known to the Japanese public as a narrator for the TV documentary series Project X - Challengers which aired between 2000 and 2005 on NHK.
Taguchi has directed 3 films, Iden & Tity in 2003, Shikisoku Generation in 2009, and Piece of Cake in 2015.