Issued Patents All Time
Showing 26–50 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8018630 | Compound curved concentrator based illuminator | — | 2011-09-13 |
| 7995940 | System for measuring marking material on a surface, such as in color xerography | Paul A. Hosier, Shawn Updegraff, R Enrique Viturro, Howard A. Mizes, Kenneth R. Ossman | 2011-08-09 |
| 7838814 | Plenoptic system for recording images from sheets | Rajinderjeet Singh Minhas, Wencheng Wu | 2010-11-23 |
| 7764382 | Illuminator for specular measurements | Jagdish C. Tandon | 2010-07-27 |
| 7760434 | Document illuminator with surface lens | Michael John Wilsher, Douglas E. Proctor, John C. Juhasz, Eugene A. Rogalski, Jr. | 2010-07-20 |
| 7755811 | Document illuminator | Douglas E. Proctor | 2010-07-13 |
| 7746520 | Document illuminator | John C. Juhasz, Douglas E. Proctor, Charles J. Urso | 2010-06-29 |
| 7706030 | Document illuminator with parabolic optical element | Douglas E. Proctor, Jagdish C. Tandon, Pravin N. Kothari, Eric Dudley | 2010-04-27 |
| 7593143 | Compound curved concentrator based illuminator | — | 2009-09-22 |
| 7586082 | Optical element for a document illuminator | Jagdish C. Tandon, Douglas E. Proctor, Stephen J. Wenthe, Jr., Eugene A. Rogalski, Jr., Jeffrey L. Baniak +1 more | 2009-09-08 |
| 7545543 | Scanner illuminator systems and methods | Douglas E. Proctor, Charles J. Urso | 2009-06-09 |
| 7544923 | LED signature elimination in specular-mode LED illumination having a light diffuser between an illuminator array and an image bearing surface | Douglas E. Proctor, John C. Juhasz, Eric Dudley | 2009-06-09 |
| 7467879 | Document illuminator with stepped optical element | Jagdish C. Tandon, Douglas E. Proctor, Eric Dudley | 2008-12-23 |
| 7350712 | Image sensor module architecture | Kraig A. Quinn, Douglas E. Proctor, John C. Juhasz, Charles J. Urso, Frederick O. Hayes, III | 2008-04-01 |
| 7042600 | Method and apparatus for eliminating lamp strobing in a digital input scanner | Joseph P. Taillie | 2006-05-09 |
| 6927381 | Photosensitive imaging apparatus sensitive to orange light | Paul A. Hosier, Jagdish C. Tandon, Josef E. Jedlicka, Gaurav Sharma, Alain E. Perregaux | 2005-08-09 |
| 6744536 | Document scanner having replaceable backing and automatic selection of registration parameters | Wayne A. Buchar, Ramesh Nagarajan, Ralph H. Huedepohl, Wooi Yeoh, Thomas C. McGraw +2 more | 2004-06-01 |
| 6646248 | Photosensitive imaging apparatus sensitive to orange light | Paul A. Hosier, Jagdish C. Tandon, Josef E. Jedlicka, Gaurav Sharma, Alain E. Perregaux | 2003-11-11 |
| 6151117 | Optical sensor with telecentric optics | Richard H. Tuhro | 2000-11-21 |
| 5773818 | Digital scanning system having drop-out capabilities and a color drop-out filter therefor | — | 1998-06-30 |
| 5570161 | Low surface energy coating to maintain clean surfaces of optical components in a document reproduction machine | John R. Andrews, Howard A. Mizes, Daniel E. Kuhman | 1996-10-29 |
| 5526185 | Method and system for designing color corrected optical systems | — | 1996-06-11 |
| 5018025 | Input of control information to an electronic image scanner through the imaging apparatus | — | 1991-05-21 |
| 4863251 | Double gauss lens for a raster input scanner | Ned J. Seachman, Edgar E. Price | 1989-09-05 |
| 4686542 | High speed, high resolution raster output scanner | Kwok L. Yip, Ronald L. Antos | 1987-08-11 |