Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9684642 | Method and device for updating electronic document and associated document use records | Lei Zhang, Xiaolei Wang, Dong Wang, Yi-Feng Wang | 2017-06-20 |
| 9600451 | Method, terminal, and server for displaying file | — | 2017-03-21 |