Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7345790 | Method and apparatus for simulating 2 bit-per-pel printing on a bi-level printer using intelligent double dotting | Larry M. Ernst | 2008-03-18 |
| 7310168 | Method and apparatus for controlling a spot function for digital halftoning | Jennifer Trelewicz, Yue Qiao, Gerhard Robert Thompson, Chai Wah Wu | 2007-12-18 |
| 7064859 | Method, system, program, and data structure for producing a look-up table to enhance print quality | Larry M. Ernst, Richard S. Lucky | 2006-06-20 |
| 6975428 | Method, system, and program for reducing toner usage in print output | Larry M. Ernst, Richard S. Lucky | 2005-12-13 |
| 6975427 | Method, system, and program for using look-up tables to filter raster data | Richard S. Lucky, Larry M. Ernst | 2005-12-13 |
| 6956670 | Method, system, program, and data structures for halftoning with line screens having different lines per inch (LPI) | Joan LaVerne Mitchell, Fritz Heinrich Obermeyer, Gerhard Robert Thompson, Chai Wah Wu | 2005-10-18 |
| 6687023 | Data processing system and method for producing shifted-element halftone screens | Larry M. Ernst, Gerhard Robert Thompson, Chai Wah Wu | 2004-02-03 |