Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11171489 | Control method and controller for string inverter, inverter, and inverter system | Xinyu Yu, Fangcheng Liu | 2021-11-09 |
| 11146181 | Control method and apparatus for common-mode modulated wave of single-phase five-level inverter | Fangcheng Liu, Yunfeng Liu | 2021-10-12 |
| 11133751 | Apparatus, inverter system, and method for synchronizing carriers | Fangcheng Liu, Xiongfei Wang | 2021-09-28 |