Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9977094 | Islanding operation detection and islanding operation detection method | Hideki Hidaka | 2018-05-22 |
| 9970988 | Relay abnormality detection device and power conditioner | Hideki Hidaka | 2018-05-15 |