Background
Arata Okoshi was born in Fukushima Prefecture (1898).
Arata Okoshi was born in Fukushima Prefecture (1898).
Arata Okoshi graduate from Mining and Metallurgy Course of Ryojun (Port Arthur) Institute of Technology entered Joban Coal Mining Company.
After serving in various capacities became president of Joban Coal Mining Company (1948). Was trustee of Japan Coal Association (since 1948) and vice-president of Tobu Coal Association (1949-1951).