Feb. 1976 D. Sc. Univ. of Tokyo 1976-1979 Senior Research Assistant, Univ. of Durham 1979 Post Doc Fellow, MPI, Muenchen 1980-81 Post Doc., LBL, Berkeley 1981-to date, Prof of Phys, Meiji University 1985-1986 Visiting Prof.
Publishes important review articles and original articles on the subject of Particles and Fields (High-Energy Physics) and topics intersecting with Gravitation and Cosmology.