Issued Patents 2023
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11714119 | Earth fault detection apparatus | Norio Sudo, Haruhiko Yoshida, Ryosuke ARIGAYA | 2023-08-01 |
| 11714140 | Ground fault detection device | Norio Sudo, Haruhiko Yoshida | 2023-08-01 |