Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9930739 | Current sharing circuit for LED lighting | — | 2018-03-27 |
| 9450505 | Optoelectronic component device | Bernhard Siessegger, Hubert Maiwald, Marijan Kostrun, Philip E. Moskowitz, Norwin von Malm | 2016-09-20 |
| 8896220 | High efficiency, low energy storage driver circuit for solid state light sources | Philip E. Moskowitz | 2014-11-25 |
| 8896227 | Directly driven high efficiency LED circuit | Philip E. Moskowitz | 2014-11-25 |
| 8358083 | System and method including self oscillating feedback for acoustic operation of a discharge lamp | Joseph A. Olsen | 2013-01-22 |
| 8283872 | Circuit arrangement and method for the operation of high-pressure gas discharge lamps | Joachim Mühlschlegel | 2012-10-09 |
| 8278806 | LED reflector lamp | — | 2012-10-02 |
| 8242705 | Frequency modulation method and device for high intensity discharge lamp | Joachim Muehlschlegel | 2012-08-14 |
| 7944151 | Frequency modulation method and device for high intensity discharge lamp | Joachim Muehlschlegel | 2011-05-17 |
| 7619350 | Arc discharge vessel having arc centering structure and lamp containing same | Lori Brock | 2009-11-17 |
| 7432664 | Circuit for powering a high intensity discharge lamp | — | 2008-10-07 |
| 6175199 | Magnetically deflected arc lamp | — | 2001-01-16 |
| 6124683 | System for and method of operating a mercury free discharge lamp | Joseph A. Olsen, P. Bruce Newell, Nanu Brates | 2000-09-26 |
| 6104145 | Method of DC operation of a discharge lamp with ARC stabilization | Joseph A. Olsen | 2000-08-15 |
| 5684367 | Color control and arc stabilization for high-intensity, discharge lamps | Joseph A. Olsen | 1997-11-04 |