Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11249137 | Diagnostic method of switchgear and device thereof | Toshiaki Rokunohe, Masanori Otsuki, Akira Takahama | 2022-02-15 |
| 10615590 | Switch operating characteristic monitoring device, switch equipped with same, and switch operating characteristic monitoring method | Toshiaki Rokunohe, Makoto Hirose, Hideaki Uchiyama | 2020-04-07 |
| 10190935 | Gas leak detection device and gas leak detection method | Hisao Inami, Makoto Hirose, Hiroyuki Nakamichi, Toshiaki Rokunohe | 2019-01-29 |