Bachelor of Science, Kanazawa University, 1959. Master of Science, University Tokyo, 1961. Doctor of Science, University Tokyo, 1967.
Scientist Hitachi Center Research Laboratory, Tokyo, 1961-1962. Lecturer Kanazawa (Japan) University, 1962-1964, associate professor, 1964-1970, professor electronics Faculty of Technology, since 1971, dean graduate school technical, 1995-1997. Visiting professor Stanford University, 1972-1973.
Publication chairman International Conference Amorphous Semiconductors, Kobe, 1995. Steering committee International Conference Materials and Mechanisms of Superconductivity, Kanazawa, 1991.
Member Japanese Society Applied Physics (head Kokuriku branch 1990-1992, board directors since 1994), Physical Society Japan.
Married Mihoko Obata, April 10, 1974 (deceased 1992).