1900 (Meiji 33) – 1975 (Shōwa 50)
A renowned expert in Chinese ceramics and a distinguished potter. His pen name was Koyamako. He was born in Tamashima Town (now Tamashima, Kurashiki City), Asakuchi District, Okayama Prefecture. Primarily based in Kamakura, he became well-known for his writings and research in ceramics. He made significant contributions to the field by discovering the kiln sites of the famous Northern Song dynasty pottery, Ding Kiln, solidifying his reputation as a world-class ceramic scholar.
Throughout his later years, he conducted empirical studies on Eastern ceramics and wrote numerous works on the research of ancient pottery. In his final years, he opened the "Hanamoki Kiln" in Izumi Town, Toki City, Gifu Prefecture, where he continued to produce pottery. As a potter, he created a wide variety of works, including tea utensils.