Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11017971 | Differential electrical protection device that measures a differential current over a plurality of phase conductors | Jean-Pierre Nereau, Yutaka Sato, Takashi Hashimoto | 2021-05-25 |
| 9704673 | Circuit breaker | Takamine HIROSE, Yoshinobu Hamada | 2017-07-11 |
| 9541580 | Current detecting device | Toshio Nodera, Yasuhiro Takahashi, Takashi Hashimoto | 2017-01-10 |