, born on 7 August 1954, is a Japanese former rugby union player and currently coach.
In his player career, he played as flanker.
Career After graduating from Nakoso Technical High School in Iwaki, as well from Daito Bunka University, Sakamoto went to play for Sanyo Electric.
He was capped three times for Japan, with his debut against France XV in Tokyo, 23 September 1978. His last cap was on 16 November 1980 against Korea in Taipei.
Sakamoto was also part of the Japan squad for the 1980 Hong Kong sevens.
After retiring as a player, he served as the head coach of the rugby team of the Shochi Fukaya High School from Fukaya.
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