Takeshi Kozai (小齋 武志, Kozai Takeshi; 23 April 1974 – November 8, 2006) was a Japanese judoka. He was born in Fukuoka Prefecture. He entered the Japan Highway Public Corporation after graduating from Fukuoka University, and won the Men's -95 kg category silver medal at the Asian Championships in 1995. He became famous when he defeated Fedor Emelianenko at the Russian judo championships held in 1998. On November 8, 2006, he died due to myocardial infarction.
Source: “Takeshi Kozai”, English Wikipedia (CC BY-SA 4.0), excerpt