Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5917994 | Color digital halftoning using black and secondary color replacement | Paul H. Dillinger | 1999-06-29 |
| 5710827 | Halftone dither cell with integrated preferred color matching | Qian Lin | 1998-01-20 |
| 5657137 | Color digital halftoning using black and secondary color replacement | Paul H. Dillinger | 1997-08-12 |
| 5473446 | Color digital halftoning using black and secondary color replacement and color vector dithering | Paul H. Dillinger | 1995-12-05 |