WEBHideo Ōnishi. Hideo Ōnishi (大西英男, Ōnishi Hideo, born August 28, 1946) is a Japanese politician and member of the House of Representatives, representing the Tokyo 6th district. He is a member of the Liberal Democratic Party . Onishi was born in Edogawa, Tokyo. He graduated from Kokugakuin University and worked as an assistant to Diet ...