Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6718045 | Method and device for inserting a watermarking signal in an image | Eric Nguyen | 2004-04-06 |
| 6674873 | Method and device for inserting and detecting a watermark in digital data | Eric Majani | 2004-01-06 |