- 2022/04 - 現在 Nihon University School of Dentistry at Matsudo/ Research Institute of Oral Science Researcher (Anatomy)
- 2018/04 - 2022/02 Nihon University School of Dentistry at Matsudo/ Research Institute of Oral Science
- 2017/04/01 - 2018/03/31 Nihon University School of Dentistry at Matsudo
- 2015/10 - 2017/03 日本大学 大学院 松戸歯学研究科(組織・発生学) 教授
- 2010/11 - 2017/03 日本大学 松戸歯学部 教養学(生物学)講座 教授
- 2003/10 - 2015/09 日本大学 大学院 松戸歯学研究科 合教員 (組織・発生学)
- 2007/04/01 - 2010/10/31 Associate Professor,Nihon University Dept. Histoligy, Cytology, Developmental Anatomy, Sch. Dentistry at Matsudo,
- 2003/04/01 - 2007/03/31 Lecturer,Nihon University School of Dentistry at Matsudo,
- 1999/10/01 - 2003/03/31 Lecturer,School of Dentistry at Matsudo,Nihon University
- 1995/04/01 - 1999/09/30 Research Assistant,School of Dentistry at Matsudo,Nihon University
- 1993/04/01 - 1995/03/31 assistant,School of Dentistry at Matsudo,Nihon University