- 2011/04/01 - 現在 Nagoya University Graduate School of Engineering Center for Computational Science Professor
- 2010/06/01 - 現在 Nagoya University Information Technology Center High Performance Computing division Professor
- 2007/02/01 - 現在 Nagoya University Structural Biology Research Center Professor
- 2007/02/01 - 現在 Nagoya University Graduate School of Science Structural Biology Research Center Professor
- 2005/04/01 - 現在 Professor, Department of Physics, Graduate School of Science, Nagoya University
- 2004/04/01 - 現在 Nagoya University Graduate School of Science Division of Material Science Professor
- 2012/01/01 - 2012/03/31 Visiting Scientist, Institut de Biologie Physico-Chimique, CNRS, France
- 2011/07/01 - 2011/12/31 Visiting Professor, University of Cambridge, UK
- 2011/04/01 - 2011/06/30 Visiting Scientist, Institute for Chemistry of Organo-Metallic Compounds, National Research Council, Italy
- 1995/10/01 - 2005/03/31 Associate Professor (joint appointment), Department of Functional Molecular Scinece, The Graduate University for Advanced Studies
- 1995/04/01 - 2005/03/31 Associate Professor, Department of Theoretical Studies, Institute for Molecular Science, Okazaki National Research Institutes (presently, National Institutes of Natural Sciences)
- 2004/03/31 - Nagoya University Graduate School of Science Division of Material Science Professor
- 1993/05/16 - 1995/03/31 Associate Professor, Department of Physics, Nara Women's University
- 1994/03/01 - 1994/05/31 Visiting Associate Professor, University of Minnesota at Duluth, USA
- 1986/04/01 - 1993/05/15 Assistant Professor, Department of Physics, Nara Women's University
- 1992/04/01 - 1993/01/31 Visiting Scientist, Stanford Linear Accelerator Center, Stanford University, USA
- 1984/09/01 - 1986/03/31 Postdoctoral Research Associate, Department of Physics, Virginia Polytechnic Institute and State University, USA