Bachelor in Engineering, University Tokyo, 1977. Master in Engineering, University Tokyo, 1979. Doctor of Engineering Tokyo, 1982.
Researcher Hitachi (Japan) Ltd., 1982-1987. Associate professor nuclear engineering research laboratory University Tokyo, Tokai, Japan, 1987-1989. Associate professor Tohoku University, Sendai, Japan, 1989-1998, professor Japan, since 1998.
Son of Kazuro and Mika Takagi. Married Mika Nomura, December 16, 1984. Children: Motoki, Maiko.