Institute of Space and Astronautical Science (ISAS) : Department of Physics, University of Tokyo
Theoretical Astrophysics and Space Radiation Laboratory, California Institute of Technology : Chandra Postdoctoral Fellow
Department of Physics, Tokyo Metropolitan University
Department of Physics, Tokyo Metropolitan University
The Kavli Institute for Particle Astrophysics and Cosmology, Stanford University
Kogakuin University
Department of Physics, Tokyo Metropolitan University
Institute of Space and Astronautical Science (ISAS)
Columbia Astrophysics Laboratory
Institute of Space and Astronautical Science (ISAS) : Department of Physics, University of Tokyo