An international businessman in the Meiji and Taisho era. In 1879 he graduated from the Military Academy. He was dismissed from his post as a first lieutenant for his involvement in the Freedom and People's Rights Movement in 1887. In 1925 he moved to Siam (now Thailand) and worked on immigration issues and agricultural development, contributing to improving the Japan-Siam relationship. His notable works include Shamu Raosu Betonamu Sankoku Tanken-Jikki (The Actual Description of the Exploration of the Three Countries of Siam, Laos, and Vietnam) and Sankoku Tanken Nikki (Diary on the Exploration of Three countries).