Junichi Usui (臼井 淳一, Usui Jun'ichi?) (born October 6, 1957 in Miyagi) is a retired Japanese long jumper, best known for finishing seventh at the 1984 Olympic Games.
Read more about Junichi Usui: Achievements
Junichi Usui (臼井 淳一, Usui Jun'ichi?) (born October 6, 1957 in Miyagi) is a retired Japanese long jumper, best known for finishing seventh at the 1984 Olympic Games.
Read more about Junichi Usui: Achievements