Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9520521 | Optically active coating for improving the yield of photosolar conversion | Marc Schiffmann, François Le Poull | 2016-12-13 |
| 6570083 | Photovoltaic generators with light cascade and varying electromagnetic flux | Gilles Destremau, Marc Schiffmann | 2003-05-27 |
| 6256427 | Process for creating several data circuits on an optical fiber and device for embodiment of the process | Marc Schiffmann, Frank Rosset | 2001-07-03 |
| 5134296 | Countermeasure process in the field of target evaluation and laser range finding materials and devices for the implementation of said countermeasure process | Marc Schiffmann | 1992-07-28 |
| 5078462 | Process and screen for disturbing the transmission of electromagnetic radiation particularly infra-red radiation | — | 1992-01-07 |
| 4952443 | Covering element with a light cascade effect for agricultural applications | — | 1990-08-28 |
| 4874188 | Fiduciary or security object enabling visual or optical authentification | Jacques Duchateau, Maurice Perron | 1989-10-17 |
| 4324946 | Solar radiation concentrator | — | 1982-04-13 |
| 4211813 | Photoluminescent textile materials | Jacques F. Van Schoote | 1980-07-08 |
| 4208300 | Photoluminescent materials and method of manufacturing same | — | 1980-06-17 |