He graduated from the Engineermg Department, Tokyo University in 1894.
He was an expert on ship engines he was appointed professor of the university (1898). The same year he went to Europe to study in Britain, France and Germany. He returned to Japan (1902) and visited Hong Kong, Canton and cities along the Yangtze River. He was responsible for the design of Japan's first cable ship.
He was nominated a member of the House of Peers (1917) and appointed director of the Aeronautical Research Institute.