Bachelor of Science, University Tokyo, 1975. Master of Science, University Tokyo, 1977. Doctor of Philosophy, Tohoku University, 1987.
Researcher Mechanical Engineering Laboratory, Tsukuba, Ibaraki, Japan, 1978-1986, senior researcher Japan, 1986-1994, head nanotechnology division Japan, 1994-1997. Professor Tohoku University, Sendai, since 1997.
Member Japan Society Applied Physics, Acoustical Society Japan, Japanese Society for Nondestructive Inspection.
Married Machiko Hoshina, March 22, 1980. 1 child, Asako.