- 2001 - 2006 Nagasaki University School of Medicine, School of Health Sciences
- 2001 - 2006 Professor,School of Health Sciences,School of Medicine,Nagasaki University
- 2006 - Nagasaki University Graduate School of Biomedical Sciences
- 2006 - Professor,Health Sciences,Graduate School of Biomedical Sciences,Nagasaki University
- 1999 - 2001 The School of Allied Medical Sciences Nagasaki University
- 1999 - 2001 Professor,School of Allied Medical Sciences,Nagasaki University
- 1994 - 2000 Nagasaki University School of Dentistry
- 1994 - 2000 Part-time Lecturer,School of Dentistry,Nagasaki University
- 1997 - 1999 Nagasaki University School of Medicine
- 1997 - 1999 Associate Professor,School of Medicine,Nagasaki University
- 1996 - 1999 Nagasaki University School of Medicine
- 1996 - 1999 Others,University Hospital Attached to the School of Medicine ,Nagasaki University
- 1999 - Nagasaki University School of Medicine
- 1999 - Part-time Lecturer,School of Medicine,Nagasaki University
- 1984 - 1997 Nagasaki University School of Medicine
- 1984 - 1997 Lecturer,University Hospital Attached to the School of Medicine ,Nagasaki University
- 1994 - 1996 The School of Allied Medical Sciences Nagasaki University
- 1994 - 1996 Part-time Lecturer,School of Allied Medical Sciences,Nagasaki University
- 1991 - 1992 Nagasaki University School of Dentistry
- 1991 - 1992 Part-time Lecturer,School of Dentistry,Nagasaki University
- 1990 - 1991 The School of Allied Medical Sciences Nagasaki University
- 1990 - 1991 Part-time Lecturer,School of Allied Medical Sciences,Nagasaki University
- 1983 - 1984 Nagasaki University School of Medicine
- 1983 - 1984 Lecturer,School of Medicine,Nagasaki University
- 1982 - 1983 Nagasaki University School of Medicine
- 1982 - 1983 Others,School of Medicine,Nagasaki University
- 1980 - 1983 Nagasaki University School of Medicine
- 1980 - 1983 Research Associate,University Hospital Attached to the School of Medicine ,Nagasaki University
- 1979 - 1980 Nagasaki University School of Medicine
- 1979 - 1980 Research Associate,School of Medicine,Nagasaki University
- 1978 - 1979 長崎市立市民病院 その他
- 1978 - 1979 Others
- 1977 - 1978 Nagasaki University School of Medicine
- 1977 - 1978 Research Associate,School of Medicine,Nagasaki University
- 1974 - 1977 Nagasaki University School of Medicine
- 1974 - 1977 Others,University Hospital Attached to the School of Medicine ,Nagasaki University
- 1973 - 1974 Nagasaki University School of Medicine
- 1973 - 1974 Others,University Hospital Attached to the School of Medicine ,Nagasaki University