Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954541 | Method of detecting changes occurring in image editing using watermarks | Zhigang Fan, Hui Cheng | 2005-10-11 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6954541 | Method of detecting changes occurring in image editing using watermarks | Zhigang Fan, Hui Cheng | 2005-10-11 |