Graduated from Tokyo University with a degree in metallurgy (1897).
Remained as assistant professor till he was sent to Germany for further studies (1899). Upon return rejoined his alma mater as professor (1902), and the following year was conferred a doctorate (1903).
Later was appointed chief of Technical Research Institute. He was the first to import microscopes from Germany for the study of steel.
He was awarded an Imperial Academy award for his scientific study on Japanese swords (1921), and a Cultural prize (1946).