Background
Yamakawa Ryoichi was born in 1891 in Nagasaki Prefecture, Japan.
良一 山川
Yamakawa Ryoichi was born in 1891 in Nagasaki Prefecture, Japan.
In 1915 Yamakawa Ryoichi graduated from Kyushu University.
After graduating from Kyushu University, Yamakawa Ryoichi became a technician for Mitsui Mining Company and after 35 years of service was appointed director immediately after World War II. In 1925 he was elected to House of Councilors on a Ryokufukai Party ticket.