Born 1937, Hitoyoshi City, Kumamoto Prefecture, Japan.
Graduating in Buddhist Studies from Hanazono University in 1959, begins 12 years of training under Yamada Mumon Roshi at Shofuku-ji Monastery. Thereafter, continues studies under the Hanazono University President Omori Sogen Roshi, receives the transmission of the Dharma, and is given the name Muishitsu.
Through the Zen Culture Research Institute, he is currently lecturer of the faculty of literature at Hanazono University.
NHK Culture Center Lecturer, Asahi Culture Center Lecturer.
Councilor, World Religionists Peace Council, Japan Committee (WCRP).
Chairman, Kameoka Forum for Friendly Religious Dialogue.
Shike (Master) of the Kyoto Kokusai Zendo.
Rinzai Zen Myoshinji Subsect Toko-ji Head Priest.