Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9900939 | LED driver, lighting system and driving method with prolonged lifetime of luminous output | Christian Kalkschmidt | 2018-02-20 |
| 9723685 | Short detection circuit for an LED driver and short detection method | Christian Kalkschmidt, Alexander Rudolf Albrecht Isphording, Harold Josef Gunther Radermacher | 2017-08-01 |
| 9167652 | Illumination device | Redouane Eddeane, Robertus Leonardus Tousain, Bertrand Johan Edward Hontele, Dennis Johannes Antonius Claessens, Hong Jiang +1 more | 2015-10-20 |
| 6198232 | Discharge lamp circuit with dual ignition coils | Antonius A. M. Marinus, Ludovicus Oostvogels, Arjan Van Den Berg | 2001-03-06 |
| 6188184 | Electronic ballast with reduced operating frequency after lamp ignition | Antonius A. M. Marinus | 2001-02-13 |
| 6150761 | Discharge lamp ballast circuit with charge pump igniter | Antonius A. M. Marinus | 2000-11-21 |
| 6078147 | Discharge lamp ballast circuit with duty cycle dimming control | Paulus P. B. Arts, Arnold Willem Buij | 2000-06-20 |