is a paralympic athlete

Track and field

Track and field is a sport comprising various competitive athletic contests based around the activities of running, jumping and throwing. The name of the sport derives from the venue for the competitions: a stadium which features an oval running track surrounding a grassy area...

 from Japan

Japan

Japan is an island nation in East Asia. Located in the Pacific Ocean, it lies to the east of the Sea of Japan, China, North Korea, South Korea and Russia, stretching from the Sea of Okhotsk in the north to the East China Sea and Taiwan in the south...

 competing mainly in category F11 long jump and T11 sprint events.

Koichi competed in three Paralympics, his first in 1992

1992 Summer Paralympics

The 1992 Summer Paralympics were the ninth Paralympic Games to be held. They were held in Barcelona, Catalonia, Spain.- Sports :The games consisted of 487 events spread over fifteen sports. Powerlifting and weightlifting were considered to be a single sport...

 he won a bronze medal in the B3 long jump. After missing the 1996 games he again competed in 2000

2000 Summer Paralympics

The 2000 Paralympic Games were held in Sydney, Australia, from 18 October to 29 October. The eleventh Summer Paralympic Games, an estimated 3800 athletes took part in the Sydney programme. They commenced with the opening ceremony on 18 October 2000...

 in the long jump and 100m but won a silver medal in the 4x100m as part of the Japanese team. He again missed a Paralympics before competing in the 2008 Summer Paralympics

2008 Summer Paralympics

The 2008 Summer Paralympic Games, the thirteenth Paralympics, took place in Beijing, China from September 6 to September 17, 2008. As with the 2008 Summer Olympics, equestrian events were held in Hong Kong and sailing events in Qingdao....

where despite competing in the 100m and long jump these were the first games that Koichi failed to win a medal.