Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11139657 | Power conversion system and control method therefor | Yoshiharu Nakajima, Yusuke Shimizu | 2021-10-05 |
| 11031807 | Power supply device and power supply system | Tetsuo Akita | 2021-06-08 |
| 10917022 | Power conversion device and control method for power conversion device | Tetsuo Akita, Yusuke Shimizu | 2021-02-09 |