Issued Patents All Time
Showing 25 most recent of 122 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11389075 | Veterinary pulse probe | — | 2022-07-19 |
| 9210758 | Boost converter of driver circuit with thermal compensation | — | 2015-12-08 |
| 9060397 | High voltage LED and driver | Bruce Richard Roberts | 2015-06-16 |
| 8866403 | 3-way, phase-cut dimmable LED driver | — | 2014-10-21 |
| 8779689 | Ramp controlled driver for series/parallel solid state lighting devices | Deeder M. Aurongzeb | 2014-07-15 |
| 8749161 | Compact fluorescent lamp and LED light source with electronic components in base | Virgil A. Chichernea, David J. Kachmarik, Himamshu Prasad | 2014-06-10 |
| 8659233 | Fluorescent lamp ballast with electronic preheat circuit | Gordon A. Grigor | 2014-02-25 |
| 8644998 | Pre-programmed energy management ballast or driver | David J. Kachmarik, Himamshu Prasad | 2014-02-04 |
| 8513854 | Piezoelectric driver | — | 2013-08-20 |
| 8497636 | Auto-switching triac compatibility circuit with auto-leveling and overvoltage protection | — | 2013-07-30 |
| 8461774 | Lighting power circuit with peak current limiter for EMI filter | — | 2013-06-11 |
| 8461766 | Driver circuit with primary side state estimator for inferred output current feedback sensing | — | 2013-06-11 |
| 8384310 | End-of-life circuit for fluorescent lamp ballasts | — | 2013-02-26 |
| 8324812 | Protecting ballast circuitry against miswiring | — | 2012-12-04 |
| 8274232 | Lighting system communications apparatus and method | — | 2012-09-25 |
| 8212498 | Fluorescent dimming ballast | — | 2012-07-03 |
| 8084949 | Fluorescent ballast with inherent end-of-life protection | — | 2011-12-27 |
| 8072158 | Dimming interface for power line | — | 2011-12-06 |
| 8018700 | Risk of shock protection circuit | — | 2011-09-13 |
| 7990070 | LED power source and DC-DC converter | — | 2011-08-02 |
| 7960922 | High efficiency low power capacitor charged DC driver | Bruce Richard Roberts | 2011-06-14 |
| 7956550 | Complementary application specific integrated circuit for compact fluorescent lamps | — | 2011-06-07 |
| 7908037 | Pre-programmed energy management ballast or driver | David J. Kachmarik, Himamshu Prasad | 2011-03-15 |
| 7868558 | Organic light emitting diode power converter | — | 2011-01-11 |
| 7839094 | Voltage fed programmed start ballast | — | 2010-11-23 |