Background
Kyutaro Toyoshima was born in Osaka in 1908. He was the eldest son of Kyushichi.
久太郎 豊島
Kyutaro Toyoshima was born in Osaka in 1908. He was the eldest son of Kyushichi.
Kyiitaro Toyoshima graduated from Economics Department of Keio University (1931).
Kyiitaro Toyoshima served with Kureha Spinning Company (1931-1941). Became auditor (1939) and then senior managing director (1942) of Toyoshima Shoten Company, president of Oyodo Kogyo Kaisha (Oyodo Industrial Company) (1948) and director of Toyama Spinning Company (1951) and later founded and became president of Osaka Toyoshima Company (1951). Became supervisor of Osaka Chemical Fibers Exchange (1953).