Issued Patents 2022
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11275124 | Abnormality cause identifying method, abnormality cause identifying device, power converter and power conversion system | Kazuyoshi Umezawa, Satoshi Ishida, Yasuyuki Noto | 2022-03-15 |