Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834344 | Semi-fragile watermarks | Gaurav Aggarwal, Pradeep Kumar Dubey, Ashutosh Kulshreshtha, Marco Martens, Chai Wah Wu | 2004-12-21 |
| 6817538 | Method and system for preventing parallel marketing of wholesale and retail items | Ali Afzali-Ardakani, Claudius Feger, Marco Martens, Paul A. Moskowitz, Alejandro G. Schrott +1 more | 2004-11-16 |
| 6807530 | Method and apparatus for remote commerce with customer anonymity | Michael Shub, Chai Wah Wu | 2004-10-19 |
| 6807634 | Watermarks for customer identification | Gordon W. Braudaway, Marco Martens, Frederick C. Mintzer, James B. Shearer, Chai Wah Wu | 2004-10-19 |
| 6804373 | Method and system using renormalized pixels for public key and compressed images watermarks on prints | Jean-Marc Gambaudo | 2004-10-12 |
| 6746053 | System for preventing parallel marketing of retail items | Ali Afzali-Ardakani, Claudius Feger, Marco Martens, Paul A. Moskowitz, Alejandro G. Schrott +1 more | 2004-06-08 |
| 6737954 | Event-recorder for transmitting and storing electronic signature data | Timothy J. Chainer, Claude A. Greengard, Chai Wah Wu | 2004-05-18 |