Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11066731 | Electric contact and vacuum interrupter using same | Yasutomo TANIHARA, Hiroyuki Chibahara, Taiki DONEN, Satoshi OCHI | 2021-07-20 |
| 8754346 | Vacuum valve | Takakazu Harada | 2014-06-17 |