Issued Patents 2005
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6956958 | Method of embedding color information in printed documents using watermarking | Zhigang Fan, Hui Cheng | 2005-10-18 |
| 6917443 | Composite halftone screens with stochastically distributed clusters or lines | — | 2005-07-12 |
| 6903769 | Detecting hopping pixel defects in CCD image sensors | Thomas R. Carducci | 2005-06-07 |
| 6870640 | Method and apparatus for rendering a continuous tone image representation with multiple digital halftoning | Zhigang Fan | 2005-03-22 |
| 6844941 | Color halftoning using a single successive-filling halftone screen | Gaurav Sharma, Zhigang Fan | 2005-01-18 |