Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10263535 | Method and device for voltage balancing of DC bus capacitors of neutral-point clamped four-level inverter | Kui Wang, Yongdong Li | 2019-04-16 |
| 10244326 | Miniature sounder | Zhenhua Liu, Yueguang Zhu, Hongtao Liu | 2019-03-26 |