Issued Patents All Time
Showing 1–4 of 4 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 |
| 8995768 | Methods and devices for processing scanned book's data | Yun Li | 2015-03-31 |
| 8768900 | Method and device for compressing, decompressing and querying document | Wei Hu | 2014-07-01 |