(1891-1952) Hoensha pro; then Nihon Ki-in pro (briefly in Kiseisha, becoming 8 dan in 1942; loser to Sekiyama Riichi in the first Honinbo title match in 1941.
A prominent opponent of komi go.
His teacher was Hirose Heijiro. His pupils were Isogawa Masao, Tanaka Minaichi, Kanai Shin'ichi and Tsubouchi Seikan.