1983: Graduated from the Faculty of Electro-Communications, University of Electro-Communications 1983: Entered Olympus Optical Co., Ltd. (now Olympus Corporation) 1988-1990: Studied at the Basel Institute for Immunology 1994: Assistant, Institute of Medical Science, University of Tokyo 1997: Researcher, Kitasato Institute 2001: Associate professor, Kitasato Institute for Life Sciences, Kitasato University 2007: Professor, Faculty of Pharmacy, Iwaki Meisei University