Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12167519 | Systems and methods for a current sharing driver for light emitting diode | Liqin Ni | 2024-12-10 |
| RE49637 | Systems and methods for high output, high color quality light | Brian Kinnune, David P. Goelz, Don Miletich, Alan J. Ruud, Kurt S. Wilcox +3 more | 2023-08-29 |
| 10873329 | High reliability AC load switching circuit | Amruteshwar Hiremath, Kory Liszt | 2020-12-22 |
| 10743384 | Systems and methods for a current sharing driver for light emitting diodes | Liqin Ni | 2020-08-11 |
| 10271390 | Solid-state lighting fixture with compound semiconductor driver circuitry | Nicholas W. Medendorp, Jr., Douglas E. Keiter | 2019-04-23 |
| 10070495 | Controlling the drive signal in a lighting fixture based on ambient temperature | Eric Low | 2018-09-04 |
| 10045418 | Systems and methods for high output, high color quality light | Brian Kinnune, David P. Goelz, James Michael Lay, Don Miletich, Alan J. Ruud +4 more | 2018-08-07 |
| 9866117 | Power supply with adaptive-controlled output voltage | Daniel J. Pope | 2018-01-09 |
| 9844107 | High efficiency driver circuitry for a solid state lighting fixture | Nicholas W. Medendorp, Jr., Douglas E. Keiter | 2017-12-12 |
| 9791110 | High efficiency driver circuit with fast response | Daniel J. Pope, Qingcong Hu | 2017-10-17 |
| 9763297 | Lighting apparatus and methods using oscillator-based dimming control | — | 2017-09-12 |
| 9730289 | Solid state light fixtures having ultra-low dimming capabilities and related driver circuits and methods | Qingcong Hu | 2017-08-08 |
| 9593837 | Systems and methods for high output, high color quality light | Kurt S. Wilcox, Brian Kinnune, Nicholas W. Medendorp, Jr., David P. Goelz, James Michael Lay +4 more | 2017-03-14 |
| 9425687 | Methods of operating switched mode power supply circuits using adaptive filtering and related controller circuits | Daniel J. Pope | 2016-08-23 |
| 9330833 | Power supply with low electro-magnetic interference and inductor for power supply with low electro-magnetic interference | Qingcong Hu | 2016-05-03 |
| 9220146 | Light emitting diode driver with linearly controlled driving current | — | 2015-12-22 |
| 8975825 | Light emitting diode driver with isolated control circuits | — | 2015-03-10 |
| 8432104 | Load current balancing circuit | Milan M. Jovanovic | 2013-04-30 |
| 8274236 | Power supply having an auxiliary power stage for sustaining sufficient post ignition current in a DC lamp | Milan M. Jovanovic | 2012-09-25 |
| 8120457 | Current-controlled variable inductor | Laszlo Huber, Milan M. Jovanovic | 2012-02-21 |
| 7291983 | Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor | Milan M. Jovanovic, Yuan NIU, Colin Weng | 2007-11-06 |
| 7271545 | Ballast and igniter for a lamp having larger storage capacitor than charge pump capacitor | Milan M. Jovanovic, Yuan NIU, Colin Weng | 2007-09-18 |
| 6714428 | Combined transformer-inductor device for application to DC-to-DC converter with synchronous rectifier | Guisong Huang, Yilei Gu, Alpha J. Zhang, Jack Hsiao | 2004-03-30 |