Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6778299 | Error diffusion with partial dots method and system | Qian Lin, Daniel R. Tretter, Jian Fan | 2004-08-17 |
| 6742708 | Fiducial mark patterns for graphical bar codes | Doron Shaked, Avi Levy, Jonathan Yen, Chit Wei Saw | 2004-06-01 |
| 6724501 | Apparatus and method for dither matrix design for color halftoning using dispersed dot clusters | Daniel R. Tretter, Qian Lin | 2004-04-20 |