Doctor of Medicine, Kyoto University, Japan, 1961. Doctor of Philosophy, Kyoto University, Japan, 1967.
Instructor in anatomy Kyoto University, 1963—1968. Associate professor anatomy Kansai Medical School, Moriguchi, Japan, 1968—1975. Professor anatomy University Tsukuba, Japan, 1975—1999, professor emeritus Japan, since 1999.
Member of Society Neuroscience Japan, Japanese Association Anatomists (life).
Married Masa Iwai, May 29, 1969. Children: Masami, Kazumi, Takehiko.