B.S., Hokkaido University, Geology and Mineralogy, 1966 M.S., Hokkaido University, Geology and Mineralogy, 1968 Ph.D., Hokkaido University, Geology and Mineralogy, 1971
Research Interests: Micropaleontology (calcareous nannoplankton), paleoceanography.
Memberships/Distinctions: American Geophysical Union, member Geological Society of Japan, member Palaeontological Society of Japan, fellow Science Council of Japan, associate member
