Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10104731 | Combination dimmable driver | Hangyang Wang, Feng Chen, Towfiq M. Chowdhury, Charles Jeffrey Spencer | 2018-10-16 |
| 6707260 | Circuit arrangement including DC-AC converter having a dependable start circuit | Nicolaas H. M. Pol, Yimin Chen | 2004-03-16 |
| 6577077 | Circuit arrangement | Zhenggang Yang | 2003-06-10 |
| 5923126 | Fluorescent lamp electronic ballast with rapid voltage turn-on after preheating | Kevin Yang, Chien-Fan Chao, John Yu, Albert Peng | 1999-07-13 |
| 5808422 | Lamp ballast with lamp rectification detection circuitry | Sreeraman Venkitasubrahmanian, Clint Mason, Yongping Xia, Jaap Schlejen | 1998-09-15 |
| 5107184 | Remote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreases | Chung Ming Lau, Kevin Yang, Joshua Zhu, Peter S. Shen, Thomas C. Jednacz | 1992-04-21 |
| 5068576 | Remote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreases | Chung Ming Lau, Kevin Yang, Joshau S. Zhu, Peter S. Shen, Thomas C. Jednacz | 1991-11-26 |
| 5055746 | Remote control of fluorescent lamp ballast using power flow interruption coding with means to maintain filament voltage substantially constant as the lamp voltage decreases | Chung Ming Lau, Kevin Yang, Joshua Zhu, Peter S. Shen, Thomas C. Jednacz | 1991-10-08 |