Nishimura was from Akita prefecture in the northern Tōhoku region of Japan. He was a graduate of the 39th class of the Imperial Japanese Naval Academy in 1911, ranking 21st out of 148 cadets. As a midshipman, he served on the cruiser and battleship. After his commissioning as an ensign, he was assigned back to Aso, and then to the battlecruiser. He attended naval artillery and torpedo school from 1914–1915, and was then assigned to the destroyer, cruiser and battlecruiser. As a lieutenant from 1917, he specialized in navigation, and served as chief navigator on a large number of vessels, including the corvette, destroyers,, and, cruisers and, and battleship. Nishimura was promoted to lieutenant commander in 1928. He was subsequently chief navigator on the cruiser. He was given his first command on 1 November 1926: the destroyer. He subsequently was captain of the destroyers,,, and . In the 1930s, he was assigned command of the 26th Destroyer Group. Promoted to captain in 1934, and briefly commander of the 19th Destroyer Group, Nishimura then served as captain of the cruiser and the reconstructed fast battleshipHaruna. He became a rear admiral on 15 November 1940, and a vice admiral on 1 November 1943. Nishimura gained much fame as the commander of the 4th Destroyer Squadron during the Battle of the Java Sea. In June 1942, he was named the commander of the 7th Cruiser Division and participated in the Guadalcanal Campaign. Near the end of the war, Nishimura was named the commander of the "Southern Force" in "Operation Sho-Go", aimed at a final and decisive naval battle against the United States Navy in the Philippines. Nishimura's Force "C" consisted of battleships and, heavy cruiser, and destroyers Shigure, Michishio, Asagumo, and Yamagumo. In the Surigao Strait between Leyte and Dinagat Islands on the evening of 24 October 1944, he contacted the U.S. 7th Fleet under Rear AdmiralJesse Oldendorf, which consisted of six battleships, eight cruisers, 29 destroyers, and 39 motor torpedo boats. Nishimura's force was crushed when the Americans crossed the Japanese "T". Nishimura was killed during the battle when his flagship, the Yamashiro, was sunk after being hit multiple times from the U.S. battleships.
