Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6411745 | Method and apparatus to reduce cross-interference in reproduction of scanned halftone images | Hwai-Tzuu Tai, Lori Overturf | 2002-06-25 |
| 6166758 | Led uniformity correction with improved uniformity distribution in a desired range of grey levels | — | 2000-12-26 |
| 5818501 | Apparatus and method for grey level printing with improved correction of exposure parameters | Yee S. Ng, William J. Noonan | 1998-10-06 |
| 5666150 | Non-uniformity correction for LED printhead in electrophotographic gray scale printing | — | 1997-09-09 |