Judicial official. The son of a feudal retainer of the Iwakuni domain, he studied under TAMANO Kyuka at Yorokan, the domain school. After Kyuka’s death, he succeeded the TAMANO name. He began to serve the Meiji Government in 1869, and took a job at the Ministry of Justice and became the chief judge of jurisdiction. In 1878, he assumed the position of first chief of the Daishinin (predecessor of the Supreme Court of Japan). He contributed to legislative projects such as the Code of Criminal Procedure, examination of the Army Penal Code, and the compilation of the Civil Code. However, in 1886 he committed suicide.