Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11156840 | Optical guide and optical system | Jianming Yang, Joël Fontaine | 2021-10-26 |
| 10718946 | Optical guide and optical system | Jianming Yang, Joël Fontaine | 2020-07-21 |
| 6476350 | Device and method for extended distance cutting by laser, in pulse mode | Jean-Paul Grandjean, Jean-Marc Dufaud, Jean-Pascal Alfille, Patrick Meyrueis | 2002-11-05 |
| 6236509 | Diffractive optical system with synthetic opening and laser cutting device incorporating this system | Jean-Paul Grandjean, Patrick Meyrueis, Bernard C. Kress | 2001-05-22 |