Issued Patents All Time
Showing 26–50 of 80 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7761715 | Semiotic system and method with privacy protection | Andrea Califano, Stephen Carl Kaufman, Marco Martens, William Robert Pulleyblank, Gustavo A. Stolovitzky +1 more | 2010-07-20 |
| 7733533 | Generating threshold values in a dither matrix | Mikel Stanich, Gerhard Robert Thompson | 2010-06-08 |
| 7616347 | System and method for multi-bit halftoning | Hong Li, Mikel Stanich, Gerhard Robert Thompson | 2009-11-10 |
| 7599097 | Method and system for designing multilevel halftone screens using spot functions | Hong Li, Mikel Stanich, Gerhard Robert Thompson | 2009-10-06 |
| 7545537 | Bandless halftone design for multiple beam printers employing non-orthogonal halftones | Hong Li, Mikel Stanich, Gerhard Robert Thompson | 2009-06-09 |
| 7489419 | Method and system for specifying halftone spot shapes | Huy A. Nguyen, Mikel Stanich, Gerhard Robert Thompson | 2009-02-10 |
| 7446904 | Methods and apparatus for generating dither mask through interpolation between preferred patterns | Mikel Stanich, Gerhard Robert Thompson, Charles P. Tresser | 2008-11-04 |
| 7433856 | Optimization with unknown objective function | Yixin Diao | 2008-10-07 |
| 7400430 | Detecting and compensating for color misregistration produced by a color scanner | Joseph Stanley Czyszczewski, Hong Li, James T. Smith, II, Mikel Stanich, Gerhard Robert Thompson | 2008-07-15 |
| 7333244 | Method and system for embedding an image into two other images | Mikel Stanich, Gerhard Robert Thompson | 2008-02-19 |
| 7310168 | Method and apparatus for controlling a spot function for digital halftoning | Jennifer Trelewicz, Danielle Kathyrn Dittrich, Yue Qiao, Gerhard Robert Thompson | 2007-12-18 |
| 7215445 | Method and apparatus to correct distortion of document copies | Gordon W. Braudaway, Frank P. Giordano, Marco Martens, Charles P. Tresser, Charles A. Micchelli | 2007-05-08 |
| 7188258 | Method and apparatus for producing duplication- and imitation-resistant identifying marks on objects, and duplication- and duplication- and imitation-resistant objects | Gaurav Aggarwal, Nabil M. Amer, Vernon Ralph Austel, Pradeep Kumar Dubey, Ashutosh Kulshreshtha +6 more | 2007-03-06 |
| 7100050 | Secured signal modification and verification with privacy control | Don Coppersmith, Frederick C. Mintzer, Charles P. Tresser, Samuel Weber, Minerva M. Yeung | 2006-08-29 |
| 7006254 | Method and system for data hiding and authentication via halftoning and coordinate projection | — | 2006-02-28 |
| 6996543 | System for protection of goods against counterfeiting | Don Coppersmith, Claude A. Greengard, Charles P. Tresser | 2006-02-07 |
| 6982625 | Event-recorder for transmitting and storing electronic signature data | Timothy J. Chainer, Claude A. Greengard, Charles P. Tresser | 2006-01-03 |
| 6956670 | Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI) | Danielle Kathyrn Dittrich, Joan LaVerne Mitchell, Fritz Heinrich Obermeyer, Gerhard Robert Thompson | 2005-10-18 |
| 6954290 | Method and apparatus to correct distortion of document copies | Gordon W. Braudaway, Frank P. Giordano, Marco Martens, Charles P. Tresser, Charles A. Micchelli | 2005-10-11 |
| 6907527 | Cryptography-based low distortion robust data authentication system and method therefor | — | 2005-06-14 |
| 6873977 | Achieving buyer-seller anonymity for unsophisticated users under collusion amongst intermediaries | Alok Aggarwal, Pradeep Kumar Dubey, Charanjit Singh Jutla, Vijay Kumar, Marco Martens +2 more | 2005-03-29 |
| 6870643 | Method and system for error diffusion with a plurality of error measures | Gerhard Robert Thompson, Steven L. Wright | 2005-03-22 |
| 6834344 | Semi-fragile watermarks | Gaurav Aggarwal, Pradeep Kumar Dubey, Ashutosh Kulshreshtha, Marco Martens, Charles P. Tresser | 2004-12-21 |
| 6807634 | Watermarks for customer identification | Gordon W. Braudaway, Marco Martens, Frederick C. Mintzer, James B. Shearer, Charles P. Tresser | 2004-10-19 |
| 6807530 | Method and apparatus for remote commerce with customer anonymity | Michael Shub, Charles P. Tresser | 2004-10-19 |