Memberships in Professional and Scientific Societies:
1996- A board member, Japanese Association of Psychiatric Rehabilitation
1994-2003 Editor, Japanese Journal of Hospital and Community Psychiatry
1994-2003 A board member, the Japanese Hospital and Community Psychiatry Association
1991- Japanese Hospital and Community Psychiatry Association
1982- Japanese Society of Public Health
1981- Japanese Society of Psychiatry and Neurology
1981- Japanese Society for the Study of Social Welfare