Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956676 | Methods and systems for providing halftone screens | Norman W. Zeck | 2005-10-18 |
| 6842590 | Reload error compensation in color process control methods | Edul N. Dalal, D. Rene Rasmussen | 2005-01-11 |
| 6816687 | Reload error compensation in color process control methods | Edul N. Dalal, D. Rene Rasmussen | 2004-11-09 |
| 6744531 | Color adjustment apparatus and method | Lingappa K. Mestha, Eric Jackson, Yao Rong Wang, Martin E. Banton, Steven J. Harrington +1 more | 2004-06-01 |
| 6731814 | Method for compressing digital documents with control of image quality and compression rate | Norman W. Zeck, Sang-Chul Kang, David E. Rumph, George L. Eldridge, William E. Nelson | 2004-05-04 |
| 6643032 | Marking engine and method to optimize tone levels in a digital output system | Martin S. Maltz | 2003-11-04 |
| 6324305 | Method and apparatus for segmenting a composite image into mixed raster content planes | Thomas M. Holladay, Robert R. Buckley, R. Victor Klassen, Norman W. Zeck | 2001-11-27 |
| 6175714 | Document control system and method for digital copiers | — | 2001-01-16 |
| 6167166 | Method to enable the recognition and rendering of antialiased images | Robert P. Loce, Ronald E. Jodoin, Wei Zhu | 2000-12-26 |
| 6144461 | Method for generating rendering tags to facilitate the printing of antialiased images | Robert P. Loce | 2000-11-07 |
| 6111593 | Using multiple digitally-produced exposure levels to compensate for laser absorption in read image-on-image xerography | Thomas A. Henderson | 2000-08-29 |
| 5745249 | Pipelined architecture for patterned halftone generation | Norman W. Zeck | 1998-04-28 |
| 5450115 | Apparatus for ionographic printing with a focused ion stream | Richard F. Bergen, Robert W. Gundlach, Remo J. D'Ortenzio, Joseph A. Chizuk, Jr. | 1995-09-12 |
| 4751517 | Two-dimensional ink droplet sensors for ink jet printers | David B. Feldman | 1988-06-14 |
| 4577197 | Ink jet printer droplet height sensing control | David Birnbaum, David B. Feldman, Frank J. Liptak, David W. Sewhuk | 1986-03-18 |
| 4540990 | Ink jet printer with droplet throw distance correction | — | 1985-09-10 |
| 4525721 | Ink jet interlace strategy | — | 1985-06-25 |
| 4520455 | Printing system | Remo J. D'Ortenzio, Carolyn P. Grow | 1985-05-28 |
| 4476542 | Printing system | Remo J. D'Ortenzio, Carolyn P. Grow | 1984-10-09 |
| 4395716 | Bipolar ink jet method and apparatus | John M. Schneider, Anthony F. Lipani | 1983-07-26 |
| 4366508 | Image magnification and demagnification system | Martin A. Agulnek | 1982-12-28 |
| 4321628 | Scanning apparatus | — | 1982-03-23 |
| 4255754 | Differential fiber optic sensing method and apparatus for ink jet recorders | Paul R. Spencer | 1981-03-10 |
| 4224523 | Electrostatic lens for ink jets | — | 1980-09-23 |
| 4222059 | Ink jet multiple field electrostatic lens | Paul R. Spencer | 1980-09-09 |