Shinya Katabuchi (片渕 慎弥, Katabuchi Shin'ya; born 24 October 1983) is a Japanese judoka. He was born in Kishiwada, Osaka, and began judo at the age of 8. He entered the Japan Racing Association after graduating from Kokushikan University. On 9 December 2007, he defeated world champion Teddy Riner at Jigoro Kano Cup Judo World Grandprix.
Source: “Shinya Katabuchi”, English Wikipedia (CC BY-SA 4.0), excerpt