Issued Patents All Time
Showing 476–500 of 607 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6798894 | Method and apparatus for watermarking video images | — | 2004-09-28 |
| 6782115 | Watermark holograms | Stephen K. Decker, Hugh L. Brunk, J. Scott Carr | 2004-08-24 |
| 6778682 | Redundantly embedding auxiliary data in source signals | — | 2004-08-17 |
| 6775392 | Computer system linked by using information in data objects | — | 2004-08-10 |
| 6771796 | Methods for identifying equipment used in counterfeiting | — | 2004-08-03 |
| 6768809 | Digital watermark screening and detection strategies | Ravi K. Sharma | 2004-07-27 |
| 6768808 | Encoding and decoding methods in which decryption data is conveyed steganographically within audio or visual content | — | 2004-07-27 |
| 6766102 | Methods for reading watermarks in unknown data types, and DVD drives with such functionality | — | 2004-07-20 |
| 6763122 | Watermarking an image in color plane separations and detecting such watermarks | Tony F. Rodriguez, Ammon E. Gustafson, Marc D. Miller, Alastair M. Reed | 2004-07-13 |
| 6762400 | High resolution imaging instrument using non-uniformly arrayed sensors | — | 2004-07-13 |
| 6760463 | Watermarking methods and media | — | 2004-07-06 |
| 6757406 | Steganographic image processing | — | 2004-06-29 |
| 6754377 | Methods and systems for marking printed documents | — | 2004-06-22 |
| 6750985 | Digital watermarks and methods for security documents | — | 2004-06-15 |
| 6751320 | Method and system for preventing reproduction of professional photographs | — | 2004-06-15 |
| 6744906 | Methods and systems using multiple watermarks | Ammon E. Gustafson | 2004-06-01 |
| 6744907 | Image capture methods and devices employing steganographic processing | — | 2004-06-01 |
| 6738495 | Watermarking enhanced to withstand anticipated corruptions | J. Scott Carr | 2004-05-18 |
| 6728390 | Methods and systems using multiple watermarks | Ammon E. Gustafson | 2004-04-27 |
| 6726339 | Ring telescope system | — | 2004-04-27 |
| 6724912 | Digital watermarking of physical objects | J. Scott Carr | 2004-04-20 |
| 6718047 | Watermark embedder and reader | — | 2004-04-06 |
| 6704869 | Extracting digital watermarks using logarithmic sampling and symmetrical attributes | Ravi K. Sharma | 2004-03-09 |
| 6700990 | Digital watermark decoding method | — | 2004-03-02 |
| 6694042 | Methods for determining contents of media | Phillip Andrew Seder, J. Scott Carr, Burt Perry | 2004-02-17 |