Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11764568 | Differential protection determination method | Ping Zhao, Chi Zhang, Yiping Shen, Yutao Qiu, Hua Xu +15 more | 2023-09-19 |
| 11355922 | Ground fault protection method and apparatus for photovoltaic station output transmission line | Ping Zhao, Fengyuan Wang, Chi Zhang, Yuande Zheng, Yudong Fang +8 more | 2022-06-07 |
| 10847968 | Differential protection method and system | Ping Zhao, Yiping Shen, Yutao Qiu, Hua Xu, Hao Tan +12 more | 2020-11-24 |
| 5965931 | Bipolar transistor having base region with coupled delta layers | Timothy K. Carns, Xinyu Zheng | 1999-10-12 |