Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7952292 | Illumination control | Johan Paul Marie Gerard Linnartz, Sel B. Colak, Nebojsa Fisekovic | 2011-05-31 |
| 6057649 | Illumination unit, electrodeless low-pressure discharge lamp, and coil suitable for use therein | Pieter Jan Van Der Zaag, Petrus H. Antonis, Pieter J. Van Der Valk | 2000-05-02 |
| 5821702 | Discharge lamp control circuit using a luminous flux table | — | 1998-10-13 |
| 5694000 | Electrodeless low-pressure discharge lamp, and lighting unit provided with such a lamp | Petrus H. Antonis | 1997-12-02 |
| 5274299 | Grid controlled gas discharge lamp | — | 1993-12-28 |
| 4970431 | High-pressure sodium discharge lamp with fins radially extending from the discharge vessel for controlling the wall temperature of the discharge vessel | Johannes H. M. Van Der Sande | 1990-11-13 |