Issued Patents 2021
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11118773 | Conversion circuit between fluorescent ballast and LED | Frits Tobi De Jongh, Han Lu, Haimin Tao | 2021-09-14 |
| 11083058 | Lighting drive, lighting system and control method | Zhi Quan Chen, Haimin Tao, Hui Zheng | 2021-08-03 |
| 11006490 | Electronic ballast interface circuit | Derek Zheng, Zhi Quan Chen, Huojun Long, Wen Ran, Haimin Tao | 2021-05-11 |
| 10986712 | Controllable driver and drive method to connect an electronic ballast to an LED light source based on the model, type, or identity of the ballast | Liang Shi, Adrianus Johannes Stephanus Maria De Vaan, PIETER JOHANNES STOBBELAAR, Paul R. Veldman, Hui Zheng +1 more | 2021-04-20 |
| 10904972 | Retrofit light emitting diode, LED, tube for reducing audible noise originating from a high frequency electronic ballast | Zhi Quan Chen, Haimin Tao | 2021-01-26 |