Bachelor of Science, Tohoku University, 1980. Doctor of Medicine, Tohoku University, 1980. Doctor of Philosophy, Tohoku University, 1986.
Internal medicine resident, Nagai, Japan, 1980-1982. Postdoctoral fellow Michigan State University, East Lansing, 1987-1988, University Pennsylvania, Philadelphia, 1988-1991. Staff neurologist Motojima General Hospital, Ota, Japan, 1991-1993.
Assistant professor Tohoku University, Sendai, Japan, 1993-1999, associate professor Japan, since 1999. Visiting laboratory director Kurihama Hospital, Yokosuka, Japan, 1991-1993.
Member Society for Neurosci., Japanese Society of Neurology, Japanese Society of Neuropathology.