| 8067903 |
Method and driving unit for driving a gas discharge lamp |
Carsten Deppe, Tobias Georg Tolle |
2011-11-29 |
| 7671537 |
Metal halide lamp |
Johannes Jacobus Franciscus Geijtenbeek, Antonius Arnoldus Duisters, Theodorus Gerardus Marinus Maria Kappen, Joseph Leonardus Gregorius Suijker, Vincent Fischer +2 more |
2010-03-02 |
| 7423379 |
High-pressure gas discharge lamp having tubular electrodes |
Vincent Fischer, Jeroen Waltherus Johannes Schoone |
2008-09-09 |
| 7132800 |
High-pressure discharge lamp |
Johan Leopold Victorina Hendrix, Gerardus Marinus Josephus Franciscus Luijks |
2006-11-07 |
| 6696800 |
High frequency electronic ballast |
Jerry Kramer, Jerzy Janczak, Ronald Hans Van Der Voort |
2004-02-24 |
| 6686703 |
High frequency electronic ballast |
Robert Erhardt, Oscar Deurloo, Jerzy Janczak, Winston Donald Couwenberg, Ronald Hans Van Der Voort |
2004-02-03 |
| 6577064 |
Electric high-pressure discharge lamp |
Theodorus Peterus Cornelis Maria Vos, Catharina Johanna Maria Daemen, Francis Jozef Clementina Vandyck, Johannes Jacobus Franciscus Geijtenbeek |
2003-06-10 |
| 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 |
| 4978884 |
Metal halide discharge lamp having low color temperature and improved color rendition |
Johannes A. J. M. Van Vliet |
1990-12-18 |
| 4283226 |
Method of preparing titanium iron-containing material for hydrogen storage |
Harmannus Hinderikus Van Mal, Johannes S. van Wieringen, Kurt H. J. Buschow |
1981-08-11 |