Ding Weiqi Patent Attorney of the Mechanical Division of the Dragon International Patent Office |
1980—1989 | Director, State Intellectual Property Office, Mechanical Examination Department | |
1980—1989 | Examiner, State Intellectual Property Office, Mechanical Examination Department | |
1980—1989 | Senior Examiner, State Intellectual Property Office, Mechanical Examination Department | |
Guo Xiaodong President of the Dragon International Patent Office |
1982—1994 | Director, State Intellectual Property Office, Mechanical Examination Department | |