Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11128210 | PFWM control system for switching-mode power supply circuit | Renhong Li | 2021-09-21 |
| 11128220 | Switching mode power supply circuit for three phase AC input | Renhong Li | 2021-09-21 |
| 11114935 | Switching-mode power supply circuit | Renhong Li | 2021-09-07 |