Issued Patents All Time
Showing 51–72 of 72 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7710604 | Method and system for providing a high quality halftoned image | John B. Condon, Jennifer Trelewicz, John Thomas Varga | 2010-05-04 |
| 7616347 | System and method for multi-bit halftoning | Hong Li, Gerhard Robert Thompson, Chai Wah Wu | 2009-11-10 |
| 7599097 | Method and system for designing multilevel halftone screens using spot functions | Hong Li, Gerhard Robert Thompson, Chai Wah Wu | 2009-10-06 |
| 7557964 | Methods, systems, and media to calibrate a reprographic system | James T. Smith, II, Hong Li, Joseph Stanley Czyszczewski | 2009-07-07 |
| 7545537 | Bandless halftone design for multiple beam printers employing non-orthogonal halftones | Hong Li, Gerhard Robert Thompson, Chai Wah Wu | 2009-06-09 |
| 7489419 | Method and system for specifying halftone spot shapes | Huy A. Nguyen, Gerhard Robert Thompson, Chai Wah Wu | 2009-02-10 |
| 7446904 | Methods and apparatus for generating dither mask through interpolation between preferred patterns | Gerhard Robert Thompson, Charles P. Tresser, Chai Wah Wu | 2008-11-04 |
| 7400430 | Detecting and compensating for color misregistration produced by a color scanner | Joseph Stanley Czyszczewski, Hong Li, James T. Smith, II, Gerhard Robert Thompson, Chai Wah Wu | 2008-07-15 |
| 7333244 | Method and system for embedding an image into two other images | Gerhard Robert Thompson, Chai Wah Wu | 2008-02-19 |
| 7092119 | Method, system, and program for managing calibration files in a printing system | Arianne Hinds, Deborah Elizabeth Neuhard, Jeanine Reeves, Nenad Rijavec | 2006-08-15 |
| 6825952 | Printer calibration scheme | Ho Chong Lee | 2004-11-30 |
| 6624909 | Image file format for storing graphical matter and related information | Joseph Stanley Czyszczewski, Nenad Rijavec, James T. Smith, II | 2003-09-23 |
| 6597813 | Masks with modulated clustering and aperiodicity and rescaling of masks | Gerhard Robert Thompson, Charles P. Tresser, Chai Wah Wu | 2003-07-22 |
| 6538773 | Method and apparatus for rendering grayscales at a facsimile presentation device using a calibrated transform | Craig D. Brossman, Arianne Hinds, Nenad Rijavec, Mark A. Stephens, Raymond Glenn Wardell | 2003-03-25 |
| 6498661 | Method and apparatus for rendering grayscales at a facsimile presentation device using a calibrated threshold matrix | Craig D. Brossman, Arianne Hinds, Nenad Rijavec, Mark A. Stephens, Raymond Glenn Wardell | 2002-12-24 |
| 6411322 | Test pattern for use to adjust multiple beam spot spacing | — | 2002-06-25 |
| 6337958 | Matching the printing characteristics between two engines of a duplex print system | William Ashmead Courtenay Bateman, III, John C. Wilson | 2002-01-08 |
| 6266155 | Half-tone screen calibrations | Ho Chong Lee, Jack Louis Zable | 2001-07-24 |
| 6208431 | Method of eliminating artifacts in display devices | Ho Chong Lee, Gerhard Robert Thompson, Jack Louis Zable | 2001-03-27 |
| 4963900 | Multiple laser beam scanning optics | Russell A. Budd, Joan Stagaman Goddard | 1990-10-16 |
| 4950889 | Chromatic and misalignment compensation in a multiple beam laser scanning system | Russell A. Budd, Bruce David Gibson, Sherwood Kantor, Wayne A. Overby | 1990-08-21 |
| 4538895 | Scanning optical system for use with a semiconductor laser generator | Robert C. Higgins, Larry L. Wolfe | 1985-09-03 |