| 1987-1992 |
Patent Examiner
Biotechnology Division, The Japanese Patent Office |
| 1995 |
Founded the Shimizu Patent Office |
| 1999-2000 |
Visiting Professor
Department of Intellectual Property
Research Center for Advanced Science and Technology
The University of Tokyo |
| 2000-2005 |
Visiting Professor, Tokai
University School of Medicine |
| 2004-2009 |
Visiting Professor, Department of Medical Genome
Sciences
Graduate School of Frontier Sciences, The University of Tokyo |
| 2004-2011 |
Visiting Professor, Tokyo
Medical and Dental University |
| 2004-present |
Visiting Professor, St.
Marianna University School of Medicine |
| 2005-2018 |
Visiting Professor, Research
Institute of Environmental Medicine
Nagoya University |
