Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9301375 | Multiple strike ballast with lamp protection for electrodeless lamp | Nitin Kumar, Markus Ziegler, Ayan Choudhury | 2016-03-29 |
| 8963447 | Ballast with current control circuit | Nitin Kumar | 2015-02-24 |
| 8937437 | Ballast with anti-striation circuit | Nitin Kumar | 2015-01-20 |
| 8878453 | Switch circuit for a ballast | Ayan Choudhury, Arindam Chakraborty | 2014-11-04 |
| 8836240 | Dim mode start for electrodeless lamp ballast | Nitin Kumar, Markus Ziegler, Robert Martin | 2014-09-16 |
| 8749162 | Two level lighting ballast | Nitin Kumar, Thomas Schalton | 2014-06-10 |
| 8698428 | Three light level electronic ballast | Nitin Kumar, Driss Baba, Thomas Schalton | 2014-04-15 |
| 8686659 | Multiple lamp lighting level ballast for series connected lamps | Nitin Kumar, Thomas Schalton | 2014-04-01 |
| 8674617 | Multiple light level electronic power converter | Nitin Kumar | 2014-03-18 |
| 8664854 | Amalgam tip temperature control for an electrodeless lamp | Nitin Kumar, Robert Martin | 2014-03-04 |
| 8587208 | Multiple strike ballast for electrodeless lamp | Nitin Kumar, Ayan Choudhury | 2013-11-19 |
| 8569966 | Starting circuit for buck converter | Nitin Kumar, Markus Ziegler | 2013-10-29 |
| 8547029 | Dimmable instant start ballast | Nitin Kumar, Driss Baba | 2013-10-01 |
| 8487555 | Bi-level lamp ballast | Nitin Kumar | 2013-07-16 |
| 8410713 | Lamp end of life (EOL) detection circuit | Nitin Kumar, Christian Breuer | 2013-04-02 |
| 8008873 | Restart circuit for multiple lamp electronic ballast | Nitin Kumar | 2011-08-30 |
| 8004198 | Resetting an electronic ballast in the event of fault | Nitin Kumar | 2011-08-23 |
| 7986111 | Electronic ballast control circuit | Nitin Kumar | 2011-07-26 |
| 7880391 | False failure prevention circuit in emergency ballast | Arindam Chakraborty | 2011-02-01 |
| 7728525 | Relamping circuit for battery powered ballast | — | 2010-06-01 |
| 7218063 | Two light level ballast | John G. Konopka, Naveen Yadlapalli, Himamshu Prasad | 2007-05-15 |
| 7187132 | Ballast with filament heating control circuit | — | 2007-03-06 |
| 7084579 | Two light level ballast | John G. Konopka, Naveen Yadlapalli, Himamshu Prasad | 2006-08-01 |