Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9711311 | Electromagnetic relay | Katsutoshi Yamagata | 2017-07-18 |
| 9640354 | Contact device | Ritsu Yamamoto | 2017-05-02 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9711311 | Electromagnetic relay | Katsutoshi Yamagata | 2017-07-18 |
| 9640354 | Contact device | Ritsu Yamamoto | 2017-05-02 |