Background
Yamada Shōsaku was born in 1890, in Toyama Prefecture, Japan.
Yamada Shōsaku was born in 1890, in Toyama Prefecture, Japan.
Shōsaku Yamada graduated from Law Department of Tokyo University in 1916.
The same year after Shōsaku's graduation, Yamada Shōsaku became managing director of Toyama Electricity Company and later was promoted to senior managing director and then president in 1929. He continued as president after above company was renamed Nihon-kai Electric Power Company and after its amalgamation into Hokuriku Godo Denki Kaisha (Hokuriku United Electricity Company) since 1951. Yamada served as president of Hokuriku Raiden Kaisha (Hokuriku Electric Power Distribution Company) since 1942 till 1946, as president of Asahi Titanium Industry Company from 1950 and as president of Hokuriku Shaken Kinyii Kaisha (Hokuriku Securities & Finance Company) (since 1950) and Nihonkai Reizo Kaisha (Japan Sea Cold-Storage Company) (since 1950). He also held additional posts of managing director of Nikkeiren (Federation of Japan Employers' Associations) and president of Toyama Denki (Electricity) Building Company.