is a paralympic athlete from Japan competing mainly in category T34 sprint events. Kazuya first competed in the 1996 Summer Paralympics in the 400m. In the 2000 Summer Paralympics he won three medals, a gold in 400m, silver in the 200m and bronze in the 100m. References Paralympic athletes of Japan Athletes (track and field) at the 1996 Summer Paralympics Athletes (track and field) at the 2000 Summer Paralympics Paralympic gold medalists for Japan Paralympic silver medalists for Japan Paralympic bronze medalists for Japan Living people Medalists at the 2000 Summer Paralympics Year of birth missing (living people) Paralympic medalists in athletics (track and field)