[1] 2023.01~Present, Professor, Department of Measurement & Instrumentation, School of Electrical Engineering, Xi'an Jiaotong University

[2] 2014.08~2015.02, Visiting Scholar, Department of Materials Science and Engineering, Kyoto University

[3] 2013.12~2014.01, Visiting Scholar, Department of Electrical Engineering and Electronics, Nagoya University

[4] 2012.03~2022.12, Associate Professor, Department of Measurement & Instrumentation, School of Electrical Engineering, Xi'an Jiaotong University

[5] 2010.04~2012.02, Research Fellow, Laboratory of Spacecraft Environment Interaction Engineering, Kyushu Institute of Technology

[6] 2009.04~2010.03, Research Fellow, Department of Electrical Engineering and Electronics, Kyushu Institute of Technology

[7] 2008.04~2009.03, Visiting Lecturer, Graduate School of Information, Production and System, Waseda University