- 2018/04 - 現在 Fukushima Rosai Hospital Dermatology Part-time doctor
- 2019/04 - 2023/03 Fujita Health University Visiting Professor
- 2016 - 2018 日本医師会 岡山県医師会理事
- 2016 - 2018 Okayama University
- 2001 - 2018 岡山大学医歯薬学総合研究科 教授
- 2001 - 2018 Professor,Graduate School of Medicine, Dentistry and Pharmaceutical Sciences,Okayama University
- 2015 - 2017 Okayama University Okayama University Hospital
- 2013 - 2017 Okayama University Okayama University Hospital
- 2013 - 2017 Okayama University Okayama University Hospital
- 2013 - 2017 Okayama University Okayama University Hospital
- 2013 - 2017 Okayama University Okayama University Hospital
- 2013 - 2017 Okayama University Okayama University Hospital
- 2013 - 2017 Head,University Hospital of Medicine and Dentistry,Okayama University
- 2013 - 2017 Dean,Okayama University Infection Control Department,University Hospital of Medicine and Dentistry,Okayama University
- 2013 - 2017 Dean,University Hospital of Medicine and Dentistry,Okayama University
- 2011 - 2017 Okayama University Okayama University Hospital
- 2011 - 2017 Vice Director,Okayama University Hospital,University Hospital of Medicine and Dentistry,Okayama University
- 2011 - 2013 Okayama University Okayama University Hospital
- 2011 - 2013 Okayama University Okayama University Hospital
- 2011 - 2013 Okayama University Okayama University Hospital
- 2011 - 2013 Dean,University Hospital of Medicine and Dentistry,Okayama University
- 1992 - 2001 Fukushima Medical University
- 1992 - 2001 Senior Assistant Professor,Fukushima Medical University
- 1979 - 1992 Hamamatsu University School of Medicine
- 1979 - 1992 Research Associate