Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9398668 | System and method for providing alternative communication path for management of lighting network elements | Jelena Matovina, Johan Wilhelmus Hermanus Kuppen | 2016-07-19 |
| 9368071 | Method and apparatus for driving light emitting elements for projection of images | Rob Otte, Carsten Deppe | 2016-06-14 |
| 7619367 | Electronic ballast protection | Roy Hendrik Anna Maria Van Zundert, Subramanian Muthu, Wouter Edgard Koen Broeckx, Gerlach Corne Pieter Maria Emmen, Lukas Leyten | 2009-11-17 |
| 7498750 | Gas discharge lamp driving circuit and method with resonating sweep voltage | Ronald Hans Van Der Voort | 2009-03-03 |
| 7468878 | Low voltage output for an electronic ballast | Jonathan Hollander, Dimitry Orlov | 2008-12-23 |
| 7358686 | Method and device for driving a gas discharge lamp | — | 2008-04-15 |
| 7358680 | Bistate HID operation | Ronald Hans Van Der Voort | 2008-04-15 |
| 7091671 | Electronic ballast with rail voltage switching | Jonathan Hollander, Dimitry Orlov | 2006-08-15 |
| 7019468 | Electronic ballast with ignition and operation control | Jonathan Hollander, Dimitry Orlov | 2006-03-28 |
| 6972529 | Switch mode power supply for a gas discharge lamp | Dolf Henricus Jozef Van Casteren, Markus Krijzer | 2005-12-06 |
| 6798153 | Method of regulating power in a high-intensity-discharge lamp | Charles B. Mattas, Vincent J. Delia | 2004-09-28 |
| 6686703 | High frequency electronic ballast | Robert Erhardt, Jerzy Janczak, Hendrik Anton Van Esveld, Winston Donald Couwenberg, Ronald Hans Van Der Voort | 2004-02-03 |
| 6548963 | Circuit device | Dolf Henricus Jozef Van Casteren | 2003-04-15 |
| 6515432 | Circuit device | Dolf Henricus Jozef Van Casteren | 2003-02-04 |
| 6489729 | Auxiliary lighting system for high intensity discharge lamp | Robert Erhardt, Ching-Yao Hung, Raymond Kulka, Seymour Perkins, III | 2002-12-03 |
| 6414446 | Switching device | Markus Krijzer | 2002-07-02 |
| 6373199 | Reducing stress on ignitor circuitry for gaseous discharge lamps | Robert Erhardt | 2002-04-16 |
| 6294880 | Protection device in a hid lamp ignition circuit | Johannis Antonie Amerens Toonen | 2001-09-25 |
| 6144171 | Ignitor for high intensity discharge lamps | Neal D. Clements | 2000-11-07 |
| 6111359 | Integrated HID reflector lamp with HID arc tube in a pressed glass reflector retained in a shell housing a ballast | Dale E. Work, Mark W. Fellows, Gregory J. Nelson, Kent Collins, Robertus A. J. Keyser +6 more | 2000-08-29 |
| 5998939 | High frequency HID lamp system | Mark W. Fellows, Gregory J. Nelson, Robertus A. J. Keyser, Dale E. Work, Josephus C. M. Hendricx +3 more | 1999-12-07 |
| 5923127 | High-pressure discharge lamp with miniature discharge vessel and integrated circuitry | Robertus A. J. Keijser, Aswin J. G. Linden, Arthur Kimmels, Willem J. Van Den Hoek | 1999-07-13 |
| 5909089 | Discharge lamp igniting and operating circuit with a timer controlled output voltage limit | Franciscus H. T. Lammers | 1999-06-01 |
| 5834902 | Discharge lamp igniting and operating curcuit having interference signal suppression from 9 KHz to 100 MHz | Stefan E. Roijers | 1998-11-10 |
| 5828185 | High frequency HID lamp system with lamp driven at a frequency above the audible and below the lowest lamp resonant frequency | Mark W. Fellows, Gregory J. Nelson, Robertus A. J. Keyser, Dale E. Work, Josephus C. M. Hendricx +3 more | 1998-10-27 |