Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10327295 | Multi string controller with independent current setting for each string | Keng Chen, Ming Li, Peng Xiao | 2019-06-18 |
| 10225908 | Active damping circuit | Jinsheng Wei, Ranjit Jayabalan, Nitin Kumar | 2019-03-05 |
| 9992846 | Active damping circuit | Jinsheng Wei, Ranjit Jayabalan, Nitin Kumar | 2018-06-05 |
| 9295129 | Turn on optimization | Peng Xiao, Keng Chen | 2016-03-22 |
| 8378585 | High frequency integrated HID lamp with run-up current | Estrella Kim | 2013-02-19 |
| 8076865 | Ignition for ceramic metal halide high frequency ballasts | James N. Lester | 2011-12-13 |
| 7982402 | Integrated igniter base for ceramic metal halide light source | Glenn Freeman | 2011-07-19 |
| 7931514 | Method of making an integral HID reflector lamp | Jason Li, Glenn Freeman, Harold L. Rothwell, Jr., Randall D. Brown | 2011-04-26 |
| 7919926 | Aggregate ignition method in high frequency metal halide lamps | Phillip Whitt, Harold L. Rothwell, Jr. | 2011-04-05 |
| 7863827 | Ceramic metal halide lamp bi-modal power regulation control | Phillip Whitt | 2011-01-04 |
| 7841742 | Circuit board slot for an integral HID reflector lamp | Glenn Freeman, Terry R. Jackson | 2010-11-30 |
| 7839098 | Microcontroller based ignition in high frequency ceramic metal halide lamps | — | 2010-11-23 |
| 7402956 | Ballast with zero voltage switching converter | Bernhard Ertl, Gerwin Thiel, John Cross | 2008-07-22 |
| 7230349 | High intensity discharge lamp ballast with anti-theft operating mode | Vipin Madhani, Guy Bouchard | 2007-06-12 |
| 7211965 | High intensity discharge lamp with current sense resistor | Bernhard Ertl, Guy Bouchard, Vipin Madhani | 2007-05-01 |
| 7057356 | High intensity discharge lamp with boost circuit | Bernhard Ertl, Guy Bouchard, Arnulf Rupp | 2006-06-06 |
| 7042165 | Driver circuit for LED vehicle lamp | Vipin Madhani | 2006-05-09 |