Education
Nihon University.
古賀 武
Nihon University.
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.
1959 - All-Japan University Championships 2nd.