Tamura Bunnosuke graduated from Commercial Science Department of Waseda University (1920).
Tamura Bunnosuke engaged in paper sale business. He became director (1923), senior managing director and then president (1950) of Hokuetsu Paper Manufacturing Company. Became supervisor of Hokuetsu Electrification Industry Company and Hokuetsu Bank (1942), director of Nagaoka Board of Trade (1946). Assumed additional posts of director of Japan Industrial Association and trustee of Federation of Economic Organizations (1950).