Issued Patents All Time
Showing 51–71 of 71 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7411696 | Smooth gray component replacement strategy that utilizes the full device gamut | — | 2008-08-12 |
| 7375849 | Balancing grays on color printers | Meng Yao | 2008-05-20 |
| 7355752 | Two-dimensional calibration architectures for color devices | Gaurav Sharma, Raja Bala, Jean-Pierre Van de Capelle, Lalit Keshav Mestha | 2008-04-08 |
| 7352492 | Method for compensating for printer characteristics | — | 2008-04-01 |
| 7307752 | On-line calibration system for a dynamically varying color marking device | Lingappa K. Mestha, Peter A. Crean, Robert J. Rolleston, Yao Rong Wang, Eric Jackson +1 more | 2007-12-11 |
| 7277196 | Iterative printer control and color balancing system and method using a high quantization resolution halftone array to achieve improved image quality with reduced processing overhead | Jean-Pierre Van de Capelle, Lalit Keshav Mestha, Robert P. Loce, Raja Bala, Peter A. Crean | 2007-10-02 |
| 7110144 | System and method of performing halftone gamma correction in a printing environment | Shirley N. Cheng, Mark A. Gwaltney, Robert P. Loce, Connie F. Purdum | 2006-09-19 |
| 7054030 | Smooth monotonic tone reproduction curve end point adjustment | — | 2006-05-30 |
| 6731796 | Graphical user interface for color transformation table editing that avoids reversal artifacts | R. Victor Klassen, Thyagarajan Balasubramanian | 2004-05-04 |
| 6643032 | Marking engine and method to optimize tone levels in a digital output system | Peter A. Crean | 2003-11-04 |
| 6637849 | Systems and methods for HUE control | — | 2003-10-28 |
| 5739927 | Method for refining an existing printer calibration using a small number of measurements | Thyagarajan Balasubramanian | 1998-04-14 |
| 5734802 | Blended look-up table for printing images with both pictorial and graphical elements | Steven J. Harrington, Scott A. Bennett | 1998-03-31 |
| 5594557 | Color printer calibration correcting for local printer non-linearities | Robert J. Rolleston | 1997-01-14 |
| 5528386 | Color printer calibration architecture | Robert J. Rolleston, Judith E. Stinehour | 1996-06-18 |
| 5483360 | Color printer calibration with blended look up tables | Robert J. Rolleston | 1996-01-09 |
| 5416613 | Color printer calibration test pattern | Robert J. Rolleston, Judith E. Stinehour | 1995-05-16 |
| 5307182 | Methods and apparatus for multigeneration color image processing | — | 1994-04-26 |
| 5305119 | Color printer calibration architecture | Robert J. Rolleston, Judith E. Stinehour | 1994-04-19 |
| 4860030 | Resistive printhead arrays for thermal transfer printing | Stephen F. Pond, Gary A. Kneezel, Robert V. Lorenze, Jr., Michael P. O'Horo, Richard Kellerman | 1989-08-22 |
| 4308329 | Manifold imaging method and materials | Ray H. Luebbe, Jr. | 1981-12-29 |