Issued Patents All Time
Showing 326–350 of 607 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7602977 | Digital watermarks | J. Scott Carr | 2009-10-13 |
| 7602940 | Steganographic data hiding using a device clock | J. Scott Carr | 2009-10-13 |
| RE40919 | Methods for surveying dissemination of proprietary empirical data | — | 2009-09-22 |
| 7593576 | Systems and methods of managing audio and other media | Joel R. Meyer | 2009-09-22 |
| 7590259 | Deriving attributes from images, audio or video to obtain metadata | Kenneth L. Levy | 2009-09-15 |
| 7587602 | Methods and devices responsive to ambient audio | — | 2009-09-08 |
| 7587601 | Digital watermarking methods and apparatus for use with audio and video content | Kenneth L. Levy, R. Hiatt | 2009-09-08 |
| 7577273 | Steganographically encoded video, deriving or calculating identifiers from video, and related methods | Kenneth L. Levy, Tyler J. McKinley | 2009-08-18 |
| 7574014 | Digital watermark detection utilizing host carrier information | Ravi K. Sharma, Ammon E. Gustafson | 2009-08-11 |
| 7570781 | Embedded data in gaming objects for authentication and association of behavior information | Burt Perry, Kenneth L. Levy, Joel R. Meyer | 2009-08-04 |
| 7567686 | Hiding and detecting messages in media signals | — | 2009-07-28 |
| 7565294 | Methods and systems employing digital content | — | 2009-07-21 |
| 7564992 | Content identification through deriving identifiers from video, images and audio | — | 2009-07-21 |
| 7562392 | Methods of interacting with audio and ambient music | William Y. Conwell | 2009-07-14 |
| 7555139 | Secure documents with hidden signals, and related methods and systems | Tony F. Rodriguez | 2009-06-30 |
| 7548643 | Methods, objects and apparatus employing machine readable data | Bruce L. Davis | 2009-06-16 |
| 7545951 | Data transmission by watermark or derived identifier proxy | Bruce L. Davis, William Y. Conwell, Douglas B. Evans | 2009-06-09 |
| 7539325 | Documents and methods involving multiple watermarks | Ammon E. Gustafson | 2009-05-26 |
| 7536555 | Methods for audio watermarking and decoding | — | 2009-05-19 |
| 7536034 | Gestural use of wireless mobile phone devices to signal to remote systems | Tony F. Rodriguez | 2009-05-19 |
| 7522728 | Wireless methods and devices employing steganography | — | 2009-04-21 |
| 7515733 | Methods and arrangements employing digital content items | — | 2009-04-07 |
| 7505605 | Portable devices and methods employing digital watermarking | Bruce L. Davis, Douglas B. Evans | 2009-03-17 |
| 7502489 | Geographically watermarked imagery and methods | — | 2009-03-10 |
| 7502490 | Geographic information systems using digital watermarks | Neil E. Lofgren, Philip Patterson | 2009-03-10 |