Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12214612 | Method of designing a light-redirecting surface of a caustic layer, an optical security element comprising the designed light-redirecting surface of the caustic layer, a marked object, use and method of authenticating the object | Andrea Callegari, Oscar De Feo | 2025-02-04 |
| 9940515 | Image analysis for authenticating a product | Andrea Callegari, Huu Duc Christophe Pham, Yves Berthier, Gatien Chevallier, Eric Estermann +2 more | 2018-04-10 |