Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6804377 | Detecting information hidden out-of-phase in color channels | Trent J. Brundage, Jeremy Leigh Cattone | 2004-10-12 |
| 6763122 | Watermarking an image in color plane separations and detecting such watermarks | Tony F. Rodriguez, Ammon E. Gustafson, Marc D. Miller, Geoffrey B. Rhoads | 2004-07-13 |
| 6763123 | Detection of out-of-phase low visibility watermarks | Jeremy Leigh Cattone | 2004-07-13 |
| 6763124 | Embedding digital watermarks in spot colors | Osama M. Alattar, Trent J. Brundage | 2004-07-13 |
| 6721440 | Low visibility watermarks using an out-of-phase color | Brett A. Bradley | 2004-04-13 |
| 6718046 | Low visibility watermark using time decay fluorescence | Lou H. Berkley, Jr. | 2004-04-06 |
| 6700995 | Applying digital watermarks using dot gain correction | — | 2004-03-02 |