Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11973349 | Device for suppressing potential induced degradation and system | Yanfei Yu, Hua Ni, Zongjun Yang | 2024-04-30 |
| 11101661 | Device for suppressing potential induced degradation and system | Yanfei Yu, Hua Ni, Zongjun Yang | 2021-08-24 |
| 10523011 | Voltage compensation apparatus for photovoltaic system and photovoltaic system | Yanfei Yu, Hua Ni, Zongjun Yang | 2019-12-31 |
| 10503126 | Access control method for parallel direct current power supplies and device thereof | Hua Ni, Yanfei Yu, Zongjun Yang | 2019-12-10 |
| 10084392 | Five-level inverter and application circuit of the same | Tan SHEN, Peng Wang, Houlai Geng, Bing Hu, Wei Bie | 2018-09-25 |
| 9923481 | Photovoltaic system and method for controlling the same | Hua Ni, Yanfei Yu, Zongjun Yang, Wei Zhao | 2018-03-20 |
| 9912252 | Pre-charge circuit and photovoltaic inverter | Yanfei Yu, Hua Ni, Zongjun Yang, Pengcheng Huang | 2018-03-06 |