Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11063427 | DC transmission apparatus, surge control circuit and method | Jianping Ying, Wuying Li, Lifeng Qiao | 2021-07-13 |
| 11037723 | Transformer | Jianxing Dong, Jianping Ying | 2021-06-15 |
| 10991504 | Magnetic assembly | Jianxing Dong, Yong Zeng, Jianping Ying | 2021-04-27 |
| 10943754 | Circuit breaker apparatus and system | Lifeng Qiao, Dehui Zhang, Jianping Ying | 2021-03-09 |