Career
He was selected by the Golden State Warriors as the 10th pick of the eighth round of the 1981 Draft, although he did not sign with them. At 7"8", he is the tallest player ever drafted in National Basketball Association history. Okayama practiced Judo at junior high school and high school, and obtained a second degree black belt.
He started playing basketball when he was eighteen at Osaka University of Commerce.
He attended the University of Portland but never played for their basketball program as he was a project After graduation, he joined the basketball club of Sumitomo Metal Industries.
He represented Japan between 1979 and 1986 before he retired in 1996. He still works for Sumitomo Metal and is very active as a basketball coach.
He has also written a book for young basketball players.
