Background
Sokichi Suetsuna was born in 1892 in Shimonoseki, Yamaguchi, Japan.
Sokichi Suetsuna was born in 1892 in Shimonoseki, Yamaguchi, Japan.
Sokichi Suetsuna entered Mitsubishi Mining Company, served successively as vice-director of Makimine and Hosokura mining stations, vice-director of Research Department of the head office, vice-director and then director of Sado Mining Station and director of Labor Affairs and Labor departments of the head office.