Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7491424 | Reproduction of security documents and color images with metallic inks | Roger D. Hersch, Fabien Collaud | 2009-02-17 |
| 7423778 | Prediction model for color separation, calibration and control of printers | Roger D. Hersch, Fabien Collaud | 2008-09-09 |
| 7027660 | Images incorporating microstructures | Roger D. Hersch, Bernard Wittwer, Edouard Forler, Daniel Biemann, Daniel Gorostidi +1 more | 2006-04-11 |