Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7221107 | Low frequency electronic ballast for gas discharge lamps | — | 2007-05-22 |
| 6936974 | Half-bridge inverter for asymmetrical loads | — | 2005-08-30 |
| 6329761 | Frequency controlled half-bridge inverter for variable loads | Oscar Vila-Masot | 2001-12-11 |
| 5428268 | Low frequency square wave electronic ballast for gas discharge | Oscar Vila-Masot | 1995-06-27 |
| 5313143 | Master-slave half-bridge DC-to-AC switchmode power converter | Oscar Vila-Masot | 1994-05-17 |
| 5229927 | Self-symmetrizing and self-oscillating half-bridge power inverter | Oscar Vila-Masot | 1993-07-20 |
| 5146398 | Power factor correction device provided with a frequency and amplitude modulated boost converter | Oscar Vila-Masot | 1992-09-08 |
| 5097183 | Master-slave half-bridge DC-to-AC switchmode power converter | Oscar Vila-Masot | 1992-03-17 |
| 4749914 | Circuit system for igniting and operating a high-pressure discharge lamp, particularly a sodium vapor lamp | Zoltan Feher, Arpad Karpat, Rudolf Sirato, Andras Szeverenyi, Bela Waldinger | 1988-06-07 |
| 4204184 | Fuse-element for electric fuses | Tibor Csizy, Arpad Karpat, Zoltan Szemerey | 1980-05-20 |