Master in Engineering, Tokyo Institute of Technology, 1985. Doctor in Engineering, Tokyo Institute of Technology, 1998. Master of Science, University Florida, 1993.
Researcher Japan Energy Corporation (Nippon Mining Company), Tokyo, 1985—2000. Senior researcher Japan Energy Corporation, 2000—2001. Principal researcher Bussan Nanotech Research Institute Inc., since 2001.
Member of Carbon Society Japan, Japan Society Applied Physics, Ceramic Society Japan, American Ceramic Society.
Married Mayumi Hoshiba, September 4, 1959. Children: Harumi, Hiroyuki, Yuko.