Education
Doctor of Dental Surgery, Tokyo Medical & Dental University, 1979. Doctor in Dental Science, Tokyo Medical & Dental University, 1983.
Career
Instructor Tokyo Medical & Dental University, 1983, assistant professor, 1984—1991, lecturer, 1991—2000, associate professor, 2000—2004, professor, since 2004. Treasurer Japanese Society Gerodontology, Tokyo, since 1996. Instructor care manager institute Japanese long term care insurance system Ministry Health, Labour and Welfare, Tokyo, since 1998.
Executive committee 7th Asia-Oceania Regional Congress Gerontology, Tokyo, 2000—2003, Stomatological Society Japan, Tokyo, since 2004, Japanese Gerontological Society, Tokyo, since 2008.