1977: Completed the master's degree course of the Graduate School of Engineering (majored in applied chemistry), Kanagawa University 1977: Joined the Medicinal Chemistry Division of Central Research Laboratory, Kissei Pharmaceutical Co., Ltd. 1983: Assistant, Natural Product Research Laboratory, School of Science, Tokyo Institute of Technology 1985: Obtained the degree of Doctor of Science at Tokyo Institute of Technology 1985: Doctoral researcher, Duke University (U.S.) 1988: Full-time instructor, College of Science and Engineering, Iwaki Meisei University 1991: Associate professor, College of Science and Engineering, Iwaki Meisei University 2001: Professor, College of Science and Engineering, Iwaki Meisei University 2007: Professor, Faculty of Pharmacy, Iwaki Meisei University (to present)