Bachelor of Engineering, University Tokyo, 1948; D of Engineering, University Tokyo, 1969.
Researcher, Electrotech. Laboratory, Tokyo, 1948-1970;
professor, Osaka U., Toyonaka, Japan, 1970-1980;
professor, U. Library. and Information Science, Tsukuba, Japan, 1980-1983;
vice president, U. Library. and Information Science, Tsukuba, Japan, 1983-1987;
professor, Kanagawa Institute Technology, Atsugi, Japan, 1988-1996;
professor emeritus, U. Library. and Information Science, since 1991. Member International Council for Science/CODATA Task Group on Computer Use, Frankfurt, Germany and Paris, 1967-1976, secretary Task Group on Accessibility and Dissemination of Data, 1972-1980, member nominating committee, Paris, since 1986.
Chairman Japanese National Committee for International Organization for Standardization/International Electrotechnical Commission JTC1/SC17, Tokyo, since 1972.
Member Institute Electrical Engineers Japan (Electrotechnical award 1951), Institute Electronics, Information and Communications Engineers, Information Processing Society Japan.
Married Yukiko Nishi Kizawa, January 21, 1951. Children: Tadashi, Satoru.