Issued Patents 2016
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9508509 | Contact device having arc root movement promotion portion, and electromagnetic switch in which the contact device is used | Masaru Isozaki, Kouetsu Takaya, Yuji Shiba | 2016-11-29 |
| 9378914 | Contact device and electromagnetic contactor using the same | Masaru Isozaki, Hiroyuki Tachikawa, Kouetsu Takaya, Yasuhiro Naka, Yuji Shiba | 2016-06-28 |