Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8884521 | Motor vehicle headlight element | Gerhard Behr, Moritz Engl, Heinz Haas, Stefan Hackenbuchner, Peter Helbig +6 more | 2014-11-11 |
| 8870426 | Illumination unit for vehicle headlights and vehicle headlights | Peter Frey, Ralf Vollmer | 2014-10-28 |
| 8342728 | Arrangement for cooling semiconductor light sources and floodlight having this arrangement | Stefan Dietz | 2013-01-01 |
| 8262256 | Semiconductor light module | Stefan Dietz, Gunther Hirschmann | 2012-09-11 |
| 8159144 | Motor vehicle headlight element | Gerhard Behr, Moritz Engl, Heinz Haas, Stefan Hackenbuchner, Peter Helbig +6 more | 2012-04-17 |
| 8044607 | Circuit unit | Gunther Hirschmann | 2011-10-25 |
| 7288900 | Illumination system having at least two light sources, and a method for operating such an illumination system | Stefan Hackenbuchner, Gunther Hirschmann, Reinhard Weitzel | 2007-10-30 |
| 7173384 | Illumination device and control method | Ludwig Plötz, Andre Philipp | 2007-02-06 |
| 7061394 | Drive circuit for at least one LED strand | — | 2006-06-13 |
| 6864867 | Drive circuit for an LED array | — | 2005-03-08 |
| 6515434 | Control circuit for LED and corresponding operating method | — | 2003-02-04 |
| 6400101 | Control circuit for LED and corresponding operating method | Franz Schellhorn, Guenther Hirschmann | 2002-06-04 |
| 6375340 | Led component group with heat dissipating support | Guenther Hirschmann | 2002-04-23 |