Career
He reached prominence in Japan for his starring role in the 1970 film Eros Plus Massacre, which was directed by Yoshishige Yoshida. Hosokawa was a raised in Fukuoka Prefecture. He joined Bungakuza after leaving his university.
He soon co-starred with actress, Nana Kinomi, in the musical, Show Girl.
Additionally, Hosokawa served as a professor at Osaka University of Arts beginning in 2004. Hosokawa accidentally fell and suffered head injuries at his home on January 12, 2011.
He died of subdural hematoma at a hospital in Tokyo, Japan, on January 14, 2011, at the age of 70.