1998— | Chairman of the Board, Dragon International Patent Office | |
1995—1999 | Patent Attorney, (Japanese Company, Intellectual Property Application) | |
1992—1995 | Patent Expert, Patent Office Inner Mongolia Autonomous Region | |
1991—1992 | Senior Visiting Scholar, Tokyo Metropolitan University Japan, Tokyo | |
1981—1995 | Patent Examiner, State Intellectual Property Office | |
1981—1995 | Senior Patent Examiner, State Intellectual Property Office | |
1981—1995 | Chief, State Intellectual Property Office, Classification Division | |
1981—1995 | Director, State Intellectual Property Office, Examination Administration Department | |
1978—1981 | Electrical Engineer, Heilongjiang Province, Wuchang City (Wuchang Ship Building Factory) | |
Graduate, China Science and Technology University Beijing Municipality (Received Master's Degree) | ||
Graduate, Harbin Institute of Military Engineering Heilongjiang Province, Harbin City |