was a professional Go player.
Biography Toshiro was a student of Mukai Kazuo from 1941. He became shodan professional at the Nihon Ki-in in 1941, and reached 9 dan in 1969. He was known for his early resignations of games, sometimes claiming that he refused to play on because of his opponents mistake.
Promotion record
Titles & runners-up Title Years Lost Honinbo 1965 Tengen 1980 Oza 1959 Hayago Championship 1977, 1981 Igo Senshuken 1965
External links GoBase Profile GoGameWorld Profile Sensei's Library Profile