April 1996 ~ June 2000: Researcher in Central Technical Research Laboratory, Research & Development Division, Nippon Oil Corporation (JX Nippon Oil & Energy Corporation), Japan
July 2000 ~ March 2001: Assistant Professor (in Seizo Miyata Group), Graduate School of Bio-applications and Systems Engineering, Tokyo University of Agriculture & Technology, Tokyo, Japan
April 2001 ~ March 2005: Assistant Professor (in Shoji Ichihara Group), Department of Organic & Polymer Materials Chemistry, Graduate School of Engineering, Tokyo University of Agriculture & Technology, Tokyo, Japan
April 2005 ~ September 2005: Research Associate Professor (in Hideo Kameyama Group), Department of Chemical Engineering, Graduate School of Engineering, Tokyo University of Agriculture & Technology, Tokyo, Japan
October 2005 ~ March 2016: Associate Professor (with Prof. Yakichi Higo from Oct. 2005 to March 2010, with Prof. Tatsuo Sato from April 2012 to March 2015), Advanced Materials Evaluation Section, Advanced Materials Division, Precision and Intelligence Laboratory, Tokyo Institute of Technology, Yokohama, Japan
April 2016 ~ March 2017: Associate Professor, Division of Materials Integration, Laboratory for Materials and Structures (MSL) & Laboratory for Future Interdisciplinary Research of Science and Technology (FIRST), Institute of Innovative Research (IIR), Tokyo Institute of Technology, Yokohama, Japan
April 2017 ~ Present: Professor, Division of Materials Integration, Laboratory for Materials and Structures (MSL) & Laboratory for Future Interdisciplinary Research of Science and Technology (FIRST), Institute of Innovative Research (IIR), Tokyo Institute of Technology, Yokohama, Japan