|1984 Los Angeles||-60 kg|
|1988 Seoul||-60 kg|
|1985 Seoul||-60 kg|
|1987 Essen||-60 kg|
Hosokawa began judo in junior-high school, and won the Japanese inter-high school judo competition in 1977. He entered Tenri University in 1978, and continued his success by winning the college-level world judo championship in 1979 and 1980.
After graduating from Tenri University, he began work as a teacher for a school in Nara Prefecture in 1982. He was chosen as the -60 kg representative for the Japanese olympic judo team for the 1984 Summer Olympics, where he won a gold medal by defeating future gold medalist Kim Jae-Yup only 69 seconds into the match. He also won a gold medal at the 1985 World Judo Championships, but retired to concentrate on his work as a teacher. He restarted his judo career in 1987 with a silver medal at the 1987 World Judo Championships, and retired after finishing with a bronze medal at the 1988 Summer Olympics.
Hosokawa has served as an instructor for the Japanese Olympic Committee since April, 1997, where he coached many lightweight judoka, most notably 3-time gold medalist Tadahiro Nomura, whose father was Hosokawa's coach during high school. He also coaches judo at Tenri University, and for the All Japan Judo Federation.
|This article about a Japanese Olympic medalist is a stub. You can help Wikipedia by expanding it.|
|This Japanese biographical article related to martial arts is a stub. You can help Wikipedia by expanding it.|