Osaka Univ. Med. School(M.D. 1961)
Osaka Univ. Hospital(Internship 1961)
Osaka Univ. Postgraduate school(1962-1966)
Osaka Pref. Hospital (Surgeon,1966-1968)
Osaka Univ. Med. School (Assistant Prof. 1969-19779
Osaka Univ. Med. School(Lecturer 1977-1980)
Tottori Univ.Med.School(Professor 1980-1997)
Osaka Med. Center for MCH(President 1997-)
surgeru for acquired herat and vascukar diseases