In 1965 he graduated from Osaka Prefecture University, Engineering Division and immediately began working for JEOL LTD. In 1985 he received a Doctor of Engineering degree from Osaka Prefecture University. His Ph.D. Thesis was on "Research and Development of High-Vacuum System of Electron Microscopes" (in Japanese). In 1995 he qualified as a consultant engineer in the field. From 1965 to 2002 he engaged in research and development of vacuum-related technology in electron microscopes for more than 35 years at JEOL-group companies. He retired in 2002. He has authored 2 books for Springer.
