1982 Graduate from Keio University
1985 Chief of Ophthalmology, Saiseikai Kanagawa Prefecture Hospital
1987 Research resident in Boston University and Eye Research Institute of Retina Foundation
1992 Assistant Professor of Ophthalmology, Tokyo Dental College
1999 Associate Professor of Ophthalmology, Tokyo Dental College
2006 Professor of Ophthalmology, Tokyo Dental College