is a paralympic athlete from Japan competing mainly in category F11 long jump and T11 sprint events. Koichi competed in three Paralympics, his first in 1992 he won a bronze medal in the B3 long jump. After missing the 1996 games he again competed in 2000 in the long jump and 100m but won a silver medal in the 4 × 100 m as part of the Japanese team. He again missed a Paralympics before competing in the 2008 Summer Paralympics where despite competing in the 100m and long jump these were the first games that Koichi failed to win a medal. References Paralympic athletes of Japan Athletes (track and field) at the 1992 Summer Paralympics Athletes (track and field) at the 2000 Summer Paralympics Athletes (track and field) at the 2008 Summer Paralympics Paralympic silver medalists for Japan Paralympic bronze medalists for Japan Living people Medalists at the 1992 Summer Paralympics Medalists at the 2000 Summer Paralympics Year of birth missing (living people) Paralympic medalists in athletics (track and field) Japanese male sprinters Japanese male long jumpers Visually impaired sprinters Visually impaired long jumpers Paralympic sprinters Paralympic long jumpers