Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9004540 | Security element | Michael Rahm, Marius Dichtl, Manfred Heim, Hans Lochbihler, Thomas Kämpfe +2 more | 2015-04-14 |
| 9007686 | Diffractive element with a high degree of wavefront flatness | Uwe Detlef Zeitner | 2015-04-14 |
| 8217483 | Photosensitive semiconductor component | Kevin Fuechsel, Andreas Tuennermann | 2012-07-10 |
| 5620814 | Process and arrangement for producing dose profiles for the fabrication of structured surfaces | — | 1997-04-15 |
| 5566023 | Stepped lens with Fresnel surface structure produced by lithography and process for manufacturing of same | — | 1996-10-15 |