Takamoro was born in Saitama on November 9, 1907. He played for Saitama Shukyu-Dan and Waseda WMW which was consisted of his alma mater Waseda University players and graduates. At Waseda WMW, he played with many Japan national team players Shigeyoshi Suzuki, Haruo Arima, Misao Tamai, Tamotsu Asakura, Shigeru Takahashi, Shojiro Sugimura, Nagayasu Honda and Michiyo Taki. He won the 1928 Emperor's Cup.