Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8289572 | Estimation of ink/toner coverage when printing | Nenad Rijavec | 2012-10-16 |
| 8282182 | Correction of print engine artifacts using an iterative halftoning search algorithm | Kartheek Chandu, Nenad Rijavec, Mikel Stanich, Sreenath Rao Vantaram, Chai Wah Wu | 2012-10-09 |
| 8235490 | High speed dual pass ink jet printer | Kartheek Chandu | 2012-08-07 |
| 8223358 | Printer output coverage estimation system | Joseph Stanley Czyszczewski, Mark G. Finlan, James T. Smith, II | 2012-07-17 |
| 8115979 | Ink minimizing profile making tool | Vladimir V. Shestak, Larry David Teklits | 2012-02-14 |
| 7978090 | Apparatus, system, and method for safely and securely storing materials | Bradford O. Brooks, Joan L. Mitchell | 2011-07-12 |
| 7920279 | Apparatus and methods for improved printing in a tandem LED printhead engine | Steven G. Ludwig | 2011-04-05 |
| 7890005 | Adjusting electrostatic charges used in a laser printer | Timothy Bradley | 2011-02-15 |
| 7729633 | Printer dynamically monitoring printer environment contamination | Carl Bildstein, Timothy Bradley, Bradford O. Brooks, Joan L. Mitchell | 2010-06-01 |
| 7675648 | Method and apparatus for converting a color representation of an image to a grayscale representation | Yue Qiao | 2010-03-09 |
| 7408679 | Method, system and program product for multiple pel print quality enhancement | John C. Wilson | 2008-08-05 |
| 7369150 | Method, system and program product for amplitude modulated multiple pel print quality enhancement | John C. Wilson | 2008-05-06 |
| 7345790 | Method and apparatus for simulating 2 bit-per-pel printing on a bi-level printer using intelligent double dotting | Danielle Kathyrn Dittrich | 2008-03-18 |
| 7064859 | Method, system, program, and data structure for producing a look-up table to enhance print quality | Danielle Kathyrn Dittrich, Richard S. Lucky | 2006-06-20 |
| 6975427 | Method, system, and program for using look-up tables to filter raster data | Richard S. Lucky, Danielle Kathyrn Dittrich | 2005-12-13 |
| 6975428 | Method, system, and program for reducing toner usage in print output | Danielle Kathyrn Dittrich, Richard S. Lucky | 2005-12-13 |
| 6687023 | Data processing system and method for producing shifted-element halftone screens | Danielle Kathyrn Dittrich, Gerhard Robert Thompson, Chai Wah Wu | 2004-02-03 |
| 6356291 | Method and apparatus for providing print quality enhancement | — | 2002-03-12 |
| 4496829 | Bang-bang dual-mode integral controller with proportional control output useful for temperature control | Arthur Black, John H. Dodge | 1985-01-29 |
| 4415800 | Method and apparatus for monitoring and controlling heated fusers for copiers | John H. Dodge | 1983-11-15 |
| 4377338 | Method and apparatus for copier quality monitoring and control | — | 1983-03-22 |
| 4326796 | Apparatus and method for measuring and maintaining copy quality in an electrophotographic copier | James R. Champion, Leland W. Ford, Ronald G. Velarde | 1982-04-27 |
| 4322847 | Automatic indirect testing to verify operational control | John H. Dodge | 1982-03-30 |
| 4299474 | Component mounting apparatus useful for compact copiers | William E. McCollum, Carl A. Queener, Bernard L. Wilzbach | 1981-11-10 |
| T100804 | Microprocessor controlled power supply for xerographic fusing apparatus | — | 1981-07-07 |