Background
Okumura Masao was born in 1879.
Okumura Masao was born in 1879.
Entered Mitsubishi Goshi (Joint-Stock) Company (1906). He became director of the head office of Mitsubishi Company (1925). Served as president of Daido Match Manufacturing Company and chief director of Match Manufacturers' Union. Founded and became president of Nihon Carbide Industry Company (1935).