古河電気工業
Naganuma was born in Hiroshima on September 5, 1930. After graduating from Kwansei Gakuin University and Chuo University, he joined Furukawa Electric in 1955. Furukawa Electric won 1960, 1961 and 1964 Emperor's Cup. In 1961, he was selected first Japanese Footballer of the Year awards. In 1965, Furukawa Electric joined new league Japan Soccer League. He played 19 games and scored 8 goals in the league. He retired in 1967.