is a 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...

ese judo

Judo

is a modern martial art and combat sport created in Japan in 1882 by Jigoro Kano. Its most prominent feature is its competitive element, where the object is to either throw or takedown one's opponent to the ground, immobilize or otherwise subdue one's opponent with a grappling maneuver, or force an...

ka.

He was born in Iyo, Ehime

Iyo, Ehime

is a city located in Ehime, Japan.On April 1, 2005, Iyo merged with the towns of Nakayama and Futami from the surrounding Iyo District to form the new city of Iyo, raising its population to over 40,000 and nearly quadrupling its area.-Geography:...

, and began judo at the age of 6. He entered the Kanagawa Prefectural Police after graduating from Tokai University

Tokai University

is a private university in Tokyo, Japan. It was established in 1943 by Shigeyoshi Matsumae, who had formerly been the engineering president of the Ministry of Communications...

.

He was good at Seoinage and got medals of world championships

World Judo Championships

The World Judo Championships are the highest level of international judo competition, along with the Olympic judo competition. The championships are held once every year by the International Judo Federation, and qualified judoka compete in their respective categories as representatives of their...

 twice. He was also known as a rival of 3 times olymipc champion, Tadahiro Nomura

Tadahiro Nomura

is one of the most famous judo competitors in Japan. He is the only judoka in the world who has won three Olympic gold medals in a row, all in the extra lightweight division.-Biography:...

 for long time.

As of 2010, he coaches judo at Komatsu Limited and among his students is Mika Sugimoto

Mika Sugimoto

is a Japanese judoka. She won the gold medal in the heavyweight division and in the openweight division at the 2010 World Judo Championships.-External links:* at the judoinside.com....

, Ayumi Tanimoto

Ayumi Tanimoto

born August 4, 1981 in Anjo, Aichi, is a Japanese female judoka. She was coached by Toshihiko Koga, who is a gold medalist at the BarcelonaOlympics and a silver medalist at the Atlanta Olympics Men's Judo....

, Mina Watanabe

Mina Watanabe

is a Japanese judoka.She is from Mito, Ibaraki. After graduation from high school, she worked for Komatsu Limited.She won the bronze medal in the Middleweight division at the 2009 World Judo Championships.- References :*...

and so on.