Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9991785 | Electric power converting device | Hiroaki Igarashi | 2018-06-05 |
| 9964579 | Voltage detection apparatus | Hiroaki Igarashi, Tatsuya Hatakeyama, Koichi Yahata, Hideyuki Sakamoto | 2018-05-08 |