Issued Patents All Time
Showing 51–59 of 59 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7751058 | Optical rotation counter | Laurent Tupinier, Olivier R. Marroux, Mandiaye Ndao | 2010-07-06 |
| 7687766 | Out-of-round coder | Laurent Tupinier, Olivier R. Marroux, Johann Michel, Paul-Antoine Tritschler, Mandiaye Ndao | 2010-03-30 |
| 7595480 | Optical encoder with encoder member having one or more digital diffractive optic regions | — | 2009-09-29 |
| 7566863 | Optical encoder with diffractive encoder member | Christopher C. Chang | 2009-07-28 |
| 7538312 | Method for determining the position of a first moving component relatively to a second component and device for applying said method | Laurent Tupinier, Olivier R. Marroux, Lionel Ocard, Patrick Meyrueis | 2009-05-26 |
| 6466371 | Diffractive lens with gratings modified to offset effects caused by holding the lens at an angle with respect to a light source | Walter Daschner | 2002-10-15 |
| 6330118 | Dual focus lens with extended depth of focus | Walter Daschner, Barry Block, Arnold O. Thornton | 2001-12-11 |
| 6236509 | Diffractive optical system with synthetic opening and laser cutting device incorporating this system | Jean-Paul Grandjean, Patrick Meyrueis, Patrice Twardowski | 2001-05-22 |
| 5730941 | Device for the optical inspection of a fluid, especially for hematological analyses | Didier Lefevre | 1998-03-24 |