On 5 January 1942, while leading his company in the battle for Malaya, Shimada successfully broke through the British defensive line at the Slim River and opened the way to Kuala Lumpur. Called back to Japan in June 1945, Shimada took command of the 18th Tank Regiment. At the time of the Japanese surrender, he was preparing defenses against an Allied invasion of the Japanese home islands. Shimada died in Gunma Prefecture on 11 July 1988.
Allen, Louis. Singapore 1941–1942. London: Davis-Poynter, 1977. Reprint, London: Frank Cass, 1993.