Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680386 | Optical method and system for writing/reading information on a recording medium | Francois Le Carvennec, Jean-Pierre Huignard, Claude Puech | 1997-10-21 |
| 5652672 | Optical modulation device with deformable cells | Jean-Pierre Huignard, Claude Puech | 1997-07-29 |
| 5621547 | Illumination device and application to a display device | Jean-Pierre Huignard, Christophe Nicolas, Claude Puech | 1997-04-15 |