
| March 1970 - | University of Tokyo, Bachelor of Engineering, Applied Physics |
| Oct 1974 - | Northwestern University, Ph. D., Physics |
| Oct 1974 - | Postdoctoral Fellow, University of California, Berkeley |
| July 1976 - | Scientist, Argonne National Laboratory |
| Oct 1983 - | Associate Professor, Tohoku University, Research Center for Electrical Communications |
| Oct 1988 - | Associate Professor, University of Tokyo, Dept. of Applied Physics |
| March 1991 - | Professor, University of Tokyo, Dept. of Applied Physics |
| April 2001 - | Professor, University of Tokyo, Research Center for Advanced Science and Technology (2007/04-2010/03 Director) |
| 2012 | Emeritus Professor, University of Tokyo, Research Center for Advanced Science and Technology |
| 2012 - 2023 | Fellow, National Institute for Materials Science |
| April 2023 - | Emeritus Fellow, National Institute for Materials Science |
Nanotechnology, Materials Science