Founded in Seki city, Gifu pref. in 2004, relocated to Hashima City, Gifu pref. in 2006. In 2012 he was invited to domestic and foreign countries, starting with openstudio of Japanese sword in France, and conducted international exchange with smiths, curators and researchers around the world. Japanese swordsmith with the world's oldest technique and highest black smithing technique shown required, and cooperates with the research of steel etc. with the knowledge of his spirit of exploration.