Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11611283 | Switching power supply unit and electric power supply system | Masahiko Hirokawa, Xiaofeng Wu | 2023-03-21 |
| 11539299 | Switching power supply unit and electric power supply system | Masahiko Hirokawa, Xiaofeng Wu | 2022-12-27 |