Issued Patents 2003
Showing 1–25 of 38 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6664976 | Image management system and methods using digital watermarks | Neil E. Lofgren | 2003-12-16 |
| 6654480 | Audio appliance and monitoring device responsive to watermark data | — | 2003-11-25 |
| 6654887 | Steganography decoding methods employing error information | — | 2003-11-25 |
| 6650761 | Watermarked business cards and methods | Tony F. Rodriguez, Bruce L. Davis, J. Scott Carr | 2003-11-18 |
| 6647130 | Printable interfaces and digital linking with embedded codes | — | 2003-11-11 |
| 6647129 | Method and system for encoding image and audio content | — | 2003-11-11 |
| 6647128 | Method for monitoring internet dissemination of image, video, and/or audio files | — | 2003-11-11 |
| 6636615 | Methods and systems using multiple watermarks | Ammon E. Gustafson | 2003-10-21 |
| 6631015 | Stochastic scanning documents to change Moire effects | — | 2003-10-07 |
| 6614914 | Watermark embedder and reader | Ammon E. Gustafson | 2003-09-02 |
| 6611607 | Integrating digital watermarks in multimedia content | Bruce L. Davis, Tony F. Rodriguez | 2003-08-26 |
| 6590996 | Color adaptive watermarking | Alastair M. Reed | 2003-07-08 |
| 6590998 | Network linking method using information embedded in data objects that have inherent noise | — | 2003-07-08 |
| 6590997 | Files and methods employing common information in both header and steganographic embedding | — | 2003-07-08 |
| 6587821 | Methods for decoding watermark data from audio, and controlling audio devices in accordance therewith | — | 2003-07-01 |
| 6580808 | Method and apparatus for discerning image distortion by reference to encoded marker signals | — | 2003-06-17 |
| 6580819 | Methods of producing security documents having digitally encoded data and documents employing same | — | 2003-06-17 |
| 6574350 | Digital watermarking employing both frail and robust watermarks | Ammon E. Gustafson | 2003-06-03 |
| 6567780 | Audio with hidden in-band digital data | — | 2003-05-20 |
| 6567533 | Method and apparatus for discerning image distortion by reference to encoded marker signals | — | 2003-05-20 |
| 6567534 | Methods and systems for watermark processing of line art images | — | 2003-05-20 |
| 6567535 | Steganographic system with changing operations | — | 2003-05-20 |
| 6560350 | Methods for detecting alteration of audio | — | 2003-05-06 |
| 6560349 | Audio monitoring using steganographic information | — | 2003-05-06 |
| 6553129 | Computer system linked by using information in data objects | — | 2003-04-22 |