Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8144368 | Automated methods for distinguishing copies from original printed objects | Tony F. Rodriguez, Alastair M. Reed, Ravi K. Sharma, Osama M. Alattar, Brett T. Hannigan +3 more | 2012-03-27 |
| 7991184 | Apparatus to process images and video | Geoffrey B. Rhoads | 2011-08-02 |
| 7978875 | Signal processing utilizing host carrier information | Ravi K. Sharma, Geoffrey B. Rhoads | 2011-07-12 |
| 7957552 | Optimized digital watermarking functions for streaming data | Robert G. Lyons | 2011-06-07 |
| 7574014 | Digital watermark detection utilizing host carrier information | Ravi K. Sharma, Geoffrey B. Rhoads | 2009-08-11 |
| 7539325 | Documents and methods involving multiple watermarks | Geoffrey B. Rhoads | 2009-05-26 |
| 7480393 | Optimized digital watermarking functions for streaming data | Robert G. Lyons | 2009-01-20 |
| 7400743 | Methods to evaluate images, video and documents | Geoffrey B. Rhoads | 2008-07-15 |
| 7266217 | Multiple watermarks in content | Geoffrey B. Rhoads | 2007-09-04 |
| 7171020 | Method for utilizing fragile watermark for enhanced security | Geoffrey B. Rhoads | 2007-01-30 |
| 7054462 | Inferring object status based on detected watermark data | Geoffrey B. Rhoads | 2006-05-30 |
| 7054463 | Data encoding using frail watermarks | Geoffrey B. Rhoads | 2006-05-30 |
| 7013021 | Watermark detection utilizing regions with higher probability of success | Ravi K. Sharma | 2006-03-14 |
| 6915002 | Multi-carrier watermarks using carrier signals modulated with auxiliary messages | — | 2005-07-05 |
| 6850626 | Methods employing multiple watermarks | Geoffrey B. Rhoads | 2005-02-01 |
| 6804376 | Equipment employing watermark-based authentication function | Geoffrey B. Rhoads | 2004-10-12 |
| 6763122 | Watermarking an image in color plane separations and detecting such watermarks | Tony F. Rodriguez, Marc D. Miller, Alastair M. Reed, Geoffrey B. Rhoads | 2004-07-13 |
| 6744906 | Methods and systems using multiple watermarks | Geoffrey B. Rhoads | 2004-06-01 |
| 6728390 | Methods and systems using multiple watermarks | Geoffrey B. Rhoads | 2004-04-27 |
| 6636615 | Methods and systems using multiple watermarks | Geoffrey B. Rhoads | 2003-10-21 |
| 6614914 | Watermark embedder and reader | Geoffrey B. Rhoads | 2003-09-02 |
| 6594373 | Multi-carrier watermarks using carrier signals modulated with auxiliary messages | — | 2003-07-15 |
| 6574350 | Digital watermarking employing both frail and robust watermarks | Geoffrey B. Rhoads | 2003-06-03 |
| 6442284 | Watermark detection utilizing regions with higher probability of success | Geoffrey B. Rhoads, Adnan V. Alattar, Ravi K. Sharma, Clay Davidson | 2002-08-27 |
| 6332031 | Multiple watermarking techniques for documents and other data | Geoffrey B. Rhoads | 2001-12-18 |