Kyoto University ,School of Medicine 1969
Kyoto University ,School of Medicine M.D. 1975
Kyoto Unive. Asistant Professor of Cardioascular Surgery1979
Toulouse Central Hospital France 1984-1986
Hamamatsu Rousai Hoapital 1988-1992
KyotoUnive. Associate Professor of Cardiovascular surgery 1994
Shizuoka General Hospital ,Chief Surgeon1998
