Semiconductor physics

1959~1960 Researcher, Sony Corporation, Tokyo
1960~ IBM Fellow, Thomas J. Watson Research Center, N.Y.
1971~1975 American Physical Society, Councilor
1971~1975 American Vacuum Society, Director
1971~ Yamada Science Foundation, Japan, Director
1971~ Science and Technology, Japan, Director
1974~ Member, American Academy of Arts and Sciences
1976~ Foreign Member, National Academy of Sciences, USA
1977~ Foreign Member, National Academy of Engineering, USA
1990 ALM Chair Lecturer, Polytechnic Univ, N.Y.
1992~2000 President, Univ. Tsukuba, Japan
1994~ Foreign Member, Russian Academy of Sciences
2000~ President, Shibaura Institute of Technology

1959 Nishina Mernorial Award
1960 Asahi Press Award
1960 Tokyo Rayon Foundation Award
1965 Japan Academy Award
1973 Nobel Prize in Physics
1989 Univ. Pennsylvania, Pender Award