| 1990-1996 |
Research Assistant, Department of Applied Chemistry, Faculty of Engineering, Kagoshima University. |
| 1991-1992 |
Postdoctoral fellow of S.L Regen group, Chemistry Department, Lehigh University. |
| 1996-2000 |
Research Assistant, Department of Polymer Chemistry, Graduated School of Engineering, Kyoto University. |
| 2000-2007 |
Associate Professor, Department of Polymer Chemistry, Graduated School of Engineering, Kyoto University. |
| 2000- |
Present Professor, Department of Chemistry and Materials Technology, Kyoto Institute of Technology. |