Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10161987 | Insulation degradation monitoring device | Toru Yamaji, Nobukazu Nagayasu, Takahiro Sasaki | 2018-12-25 |
| 10164411 | Switchgear | Toru Yamaji, Nobukazu Nagayasu, Takahiro Sasaki | 2018-12-25 |
| 9847163 | Current transformer support device and switchgear using current transformer support device | Shinichi Numata, Yuichi Yamaji, Takahiro Sasaki | 2017-12-19 |
| 9144161 | Switchgear | Katsuhiko Horinouchi | 2015-09-22 |