Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9111341 | Watermarking image block division method and device for western language watermarking processing | Gaoyang Wang, Lidong Wang, Bin Yang | 2015-08-18 |
| 8976383 | Method and system for document printing management and control, and document source tracking | Shuchang Han, Gaoyang Wang, Lidong Wang, Bin Yang | 2015-03-10 |
| 8120795 | Method of document protection | Jiquan Xie, Bin Yang, Xiaohong Ding, Jiang Deng | 2012-02-21 |
| 8107129 | Methods and apparatus for embedding and detecting digital watermarks in a text document | Bin Yang, Wenzhe Shi, Shengyuan Cheng, Lidong Wang | 2012-01-31 |