Bachelor of Science, Kyushu University, Fukuoka, 1978. Master of Science, Kyushu University, Fukuoka, 1980. Doctor of Philosophy, Miyazaki Medical College, Kiyotake.
Research associate Miyazaki Medical College, Kiyotake, Japan, 1978—1991, assistant professor, 1981—2003. Postdoctoral fellow Cmm, University of California, San Diego, San Diego, 1993—1995. Associate professor Kyushu University Health and Welfare, Nobeka, 2003—2006, professor, department orthopedic and visual science, School Health Sciences, since 2006.
Married Kumi Takayama, June 1, 1981. Children: Aiko, Kohei Takayama, Akane.