Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4683163 | Vitreous semiconductor supporting structure and device realized with such a structure | Philippe Jarry, Mohamed L. Haji, Pierre Guittard, Claude Piaget | 1987-07-28 |
| 4536679 | Photocathode | Pierre Guittard, Claude Piaget | 1985-08-20 |