Issued Patents All Time
Showing 1–22 of 22 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11791734 | Parallel bidirectional flyback converters with valley switching | Mike Van Den Heuvel, Jacobes Harmen Schijffelen, Gautham Ram Chandra Mouli | 2023-10-17 |
| 10454377 | Resonant power converter | Menno Kardolus, Jos H. Schijffelen, Mark Gröninger | 2019-10-22 |
| 10166873 | Battery charger for electric vehicles | Menno Kardolus, Jos H. Schijffelen, Mark Gröninger | 2019-01-01 |
| 9497811 | LED driver circuit | Jos H. Schijffelen, Menno Kardolus, Mark Gröninger | 2016-11-15 |
| 9294148 | Power line communication system | Mark Gröninger, Menno Kardolus | 2016-03-22 |
| 8143814 | Method and device for driving a gas discharge lamp | Robertus Leonardus Tousain | 2012-03-27 |
| 8120265 | Lamp driver for operating a gas discharge lamp | Edwin Theodorus Maria De Koning | 2012-02-21 |
| 7911159 | Robust driver for high intensity discharge lamp | Robertus Leonardus Tousain | 2011-03-22 |
| 7525261 | Circuit arrangement for operating a high pressure discharge lamp | Roy Hendrik Anna Maria Van Zundert, Thijs Oosterbaan | 2009-04-28 |
| 7518318 | Circuit for a gas-discharge lamp | — | 2009-04-14 |
| 7456582 | Circuit and method for driving a load, in particular a high-intensity discharge lamp, and a control unit for said circuit | — | 2008-11-25 |
| 7339326 | DC/AC converter for supplying two gas discharge lamps | Winston Donald Couwenberg | 2008-03-04 |
| 7282865 | Device and method for operating a discharge lamp | — | 2007-10-16 |
| 7218066 | Driver for a gas discharge lamp | — | 2007-05-15 |
| 7170235 | Circuit arrangement with a separate resonant igniter for a high-pressure discharge lamp | — | 2007-01-30 |
| 7164237 | Circuit arrangement for operating discharge lamps | — | 2007-01-16 |
| 7154228 | Ballast for high pressure discharge lamp | Winston Donald Couwenberg | 2006-12-26 |
| 6972529 | Switch mode power supply for a gas discharge lamp | Oscar Deurloo, Markus Krijzer | 2005-12-06 |
| 6919695 | Overvoltage protection for hid lamp ballast | — | 2005-07-19 |
| 6919696 | Device for operating a high-pressure discharge lamp | — | 2005-07-19 |
| 6548963 | Circuit device | Oscar Deurloo | 2003-04-15 |
| 6515432 | Circuit device | Oscar Deurloo | 2003-02-04 |