Takeshi Koga (古賀 武, Koga Takeshi; born 11 May 1939) is a retired Japanese judoka. Koga is from Kokura, Fukuoka and began judo at the junior high school days. In 1961, When he was a student of Nihon University, was chosen to represent Japan in the World Championship held in Paris and got a bronze medal. Koga began working for the Yawata Steel after graduation from university in 1962. Koga also participated All-Japan Championships 8 times and won a bronze medal in 1965.
Source: “Takeshi Koga”, English Wikipedia (CC BY-SA 4.0), excerpt