Johnsen; Andrew
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnsen; Andrew.The latest application filed is for "switchable stabilization load at low dimming levels".
- Johnsen; Andrew - Sanbornton NH
- Johnsen; Andrew - Danvers MA
| Patent | Date |
|---|---|
| Switchable Stabilization Load At Low Dimming Levels App 20200008277 - Zeigler; Markus ; et al. | 2020-01-02 |
| Multi string controller with independent current setting for each string Grant 10,327,295 - Johnsen , et al. | 2019-06-18 |
| Active damping circuit Grant 10,225,908 - Wei , et al. | 2019-03-05 |
| A Multi String Controller With Independent Current Setting For Each String App 20190045595 - Johnsen; Andrew ; et al. | 2019-02-07 |
| Active damping circuit Grant 9,992,846 - Wei , et al. June 5, 2 | 2018-06-05 |
| Active Damping Circuit App 20180098395 - Wei; Jinsheng ; et al. | 2018-04-05 |
| Active Damping Circuit App 20180042084 - Wei; Jinsheng ; et al. | 2018-02-08 |
| Dc-dc Flyback Converter With Primary Side Auxiliary Voltage Output App 20170063240 - Kumar; Nitin ; et al. | 2017-03-02 |
| Turn on optimization Grant 9,295,129 - Xiao , et al. March 22, 2 | 2016-03-22 |
| High frequency integrated HID lamp with run-up current Grant 8,378,585 - Johnsen , et al. February 19, 2 | 2013-02-19 |
| Ignition for ceramic metal halide high frequency ballasts Grant 8,076,865 - Johnsen , et al. December 13, 2 | 2011-12-13 |
| Integrated igniter base for ceramic metal halide light source Grant 7,982,402 - Johnsen , et al. July 19, 2 | 2011-07-19 |
| Method of making an integral HID reflector lamp Grant 7,931,514 - Li , et al. April 26, 2 | 2011-04-26 |
| Aggregate ignition method in high frequency metal halide lamps Grant 7,919,926 - Johnsen , et al. April 5, 2 | 2011-04-05 |
| Ceramic metal halide lamp bi-modal power regulation control Grant 7,863,827 - Johnsen , et al. January 4, 2 | 2011-01-04 |
| Circuit board slot for an integral HID reflector lamp Grant 7,841,742 - Freeman , et al. November 30, 2 | 2010-11-30 |
| Microcontroller based ignition in high frequency ceramic metal halide lamps Grant 7,839,098 - Johnsen November 23, 2 | 2010-11-23 |
| High Frequency Integrated HID Lamp With Run-Up Current App 20100117554 - Johnsen; Andrew ; et al. | 2010-05-13 |
| Integrated Igniter Base For Ceramic Metal Halide Light Source App 20100066247 - Johnsen; Andrew ; et al. | 2010-03-18 |
| Aggregate Ignition Method In High Frequency Metal Halide Lamps App 20090289565 - Johnsen; Andrew ; et al. | 2009-11-26 |
| Microcontroller Based Ignition In High Frequency Ceramic Metal Halide Lamps App 20090289573 - Johnsen; Andrew | 2009-11-26 |
| Integrated Ceramic Metal Halide High Frequency Ballast Assembly App 20090289553 - Freeman; Glenn ; et al. | 2009-11-26 |
| Ignition For Ceramic Metal Halide High Frequency Ballasts App 20090289572 - Johnsen; Andrew ; et al. | 2009-11-26 |
| Ceramic Metal Halide Lamp Bi-modal Power Regulation Control App 20090289564 - Johnsen; Andrew ; et al. | 2009-11-26 |
| Heat sink for integral HID reflector lamp App 20090279304 - Freeman; Glenn ; et al. | 2009-11-12 |
| Method of making an integral HID reflector lamp App 20090280713 - Li; Jason J. ; et al. | 2009-11-12 |
| Circuit board slot for an integral HID reflector lamp App 20090279309 - Freeman; Glenn ; et al. | 2009-11-12 |
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