Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11006490 | Electronic ballast interface circuit | Xianhui Zhang, Derek Zheng, Zhi Quan Chen, Wen Ran, Haimin Tao | 2021-05-11 |
| 10588195 | Tubular device for fitting to a tubular light fitting | Haimin Tao, Yi-Chang Wang | 2020-03-10 |