| Ding Weiqi Patent Attorney of the Mechanical Division of the Dragon International Patent Office |
| 2002— | Patent Attorney, Dragon International Patent Office, Mechanical Department | |
| Guo Xiaodong President of the Dragon International Patent Office |
| 2002— | President, Dragon International Patent Office | |
| Hao Qingfen Chairman of the Board of Directors of the Dragon International Patent Office |
| 1998— | Chairman of the Board, Dragon International Patent Office | |
| Liu Fengyun Patent Attorney of the Chicago Branch of the Dragon International Patent Office in the USA |
| 1999— | President, Dragon International Patent Office, Chicago Branch | USA, Illinois, Chicago |
| Yu Yuzhen Director of the Application Department of the Dragon International Patent Office |
| 2003— | Director, Dragon International Patent Office, Application Department | |
