Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11034426 | Underwater propulsion apparatus with failsafe features, control system, and method thereof | Guo-Jian Liang, Zhi Wei, Shi-Zheng Tao, Xiao-Kang Wan | 2021-06-15 |
| 9013106 | Lamp ballast having filament heating apparatus for gas discharge lamp | Weiqiang Zhang, Qi Zhang, Ching-Ho Chou, Jianping Ying | 2015-04-21 |
| 8917035 | Voltage regulation circuit and light emitting didoe driving apparatus having the same | Wei Zhang, Jian-Ping Ying | 2014-12-23 |
| 8884542 | Self-oscillating dimmable electronic ballast | Weiqiang Zhang, Jianping Ying | 2014-11-11 |
| 8742670 | Electronic ballast | Weiqiang Zhang, Jianping Ying | 2014-06-03 |