Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10181753 | Electric power system protection device, electric path switching device, and electric power supply system | Satoru Ueno, Kenji Yamaguchi | 2019-01-15 |
| 9841442 | Current detecting device | Hiroshi Yoshida | 2017-12-12 |