Issued Patents 2018
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10109733 | Semiconductor device for power transistor | Yasunori Yamashita, Koichi Arai | 2018-10-23 |
| 9922829 | Semiconductor device and manufacturing method thereof | Koichi Arai | 2018-03-20 |