- 1987 - 2004 Nagasaki University School of Dentistry
- 1987 - 2004 Associate Professor,Nagasaki University
- 2004 - Nagasaki University Graduate School of Biomedical Sciences
- 2004 - Associate Professor,Graduate School of Biomedical Science,Graduate School of Biomedical Sciences,Nagasaki University
- 1996 - 1997 オランダ・クローニンゲン大学材料研究所 研究員
- 1996 - 1997 Researcher,University of Gronongen, Laboratory of materia tecnica
- 1991 - 1992 オランダ・クローニンゲン大学材料研究所 研究員
- 1991 - 1992 Researcher,Universityof Groningen, Laboratory for materia tecnica
- 1986 - 1987 米国・アラバマ大学歯学研究所 研究員
- 1986 - 1987 Researcher,University of Alabama, Institute of Dental Research
- 1982 - 1987 Iwate Medical University School of Dentistry
- 1982 - 1987 Associate Professor,Iwate medical University School of Dentistry
- 1981 - 1982 Tohoku University Graduate School of Dentistry
- 1981 - 1982 Others,Tohoku University
- 1978 - 1982 Iwate Medical University School of Dentistry
- 1978 - 1982 Lecturer,Iwate medical University school of Dentsitry
- 1978 - 1979 国立公衆衛生院専攻課程医学科 その他
- 1978 - 1979 Others,National Institute of Public Health
- 1975 - 1978 Iwate Medical University School of Dentistry
- 1975 - 1978 Research Associate,Iwate medical University School of dentistry
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日本小児歯科学会
, 日本齲蝕学研究会議
, ヨーロッパ歯学研究学会(European organization for Cwie Research)
, 国際歯科研究学会(International Association for Dental Research)
, 日本口腔衛生学会
, The Japanese Society of Pediatric Dentistry
, Cariology Today