Issued Patents All Time
Showing 576–600 of 607 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285776 | Methods for identifying equipment used in counterfeiting | — | 2001-09-04 |
| 6286036 | Audio- and graphics-based linking to internet | — | 2001-09-04 |
| 6278781 | Wireless telephony with steganography | — | 2001-08-21 |
| 6266430 | Audio or video steganography | — | 2001-07-24 |
| 6252963 | Method and system for preventing reproduction of documents | — | 2001-06-26 |
| 6229924 | Method and apparatus for watermarking video images | Clay Davidson, Anthony Rodriguez | 2001-05-08 |
| 6225619 | Optical fiber-based imaging instrument | — | 2001-05-01 |
| 6195069 | Method and apparatus for 3-dimensional motion picture display | — | 2001-02-27 |
| 6122403 | Computer system linked by using information in data objects | — | 2000-09-19 |
| 6122392 | Signal processing to hide plural-bit information in image, video, and audio data | — | 2000-09-19 |
| 6111954 | Steganographic methods and media for photography | — | 2000-08-29 |
| 6084227 | Method and apparatus for wide field distortion-compensated imaging | — | 2000-07-04 |
| 6064737 | Anti-piracy system for wireless telephony | — | 2000-05-16 |
| 6028300 | Methods and apparatus for multi-sensor astronomical imaging | Philip N. Reid | 2000-02-22 |
| 6026193 | Video steganography | — | 2000-02-15 |
| 5862260 | Methods for surveying dissemination of proprietary empirical data | — | 1999-01-19 |
| 5850481 | Steganographic system | — | 1998-12-15 |
| 5841886 | Security system for photographic identification | — | 1998-11-24 |
| 5841978 | Network linking method using steganographically embedded data objects | — | 1998-11-24 |
| 5832119 | Methods for controlling systems using control signals embedded in empirical data | — | 1998-11-03 |
| 5822436 | Photographic products and methods employing embedded information | — | 1998-10-13 |
| 5768426 | Graphics processing system employing embedded code signals | — | 1998-06-16 |
| 5748763 | Image steganography system featuring perceptually adaptive and globally scalable signal embedding | — | 1998-05-05 |
| 5748783 | Method and apparatus for robust information coding | — | 1998-05-05 |
| 5745604 | Identification/authentication system using robust, distributed coding | — | 1998-04-28 |