MEMS
Nanogenerator
Supercapacitor

1988 - 1990 Republic of Korea Army (ROTC)
1997 - 2002 Tohoku University(Japan), Lecturer & Guest Associate Professor
2002 - 2002 National Institute for Materials Science(Japan), Senior Researcher
2005 - 2006 University of Cambridge(UK), Department of Materials Science and Metallurgical Engineering, Visiting Professor
2014 - 2015 Georgia Institute of Technology(USA), Department of Materials Science, Visiting Professor

2018 Academic award (The Society of Micro and Nano Systems)
2019 Academic Award of Experimental Mechanics (Korean Society of Mechanical Engineers, KSME)
2019 THE ICAE AWARD (The 5th International Conference on Advanced Electromaterials)