Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9680464 | Semiconductor switch circuit | Kazufumi Tanaka | 2017-06-13 |
| 9548664 | Gate-power-supply device and semiconductor circuit breaker using same | Takuya Yabumoto, Kazufumi Tanaka | 2017-01-17 |