Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10680058 | Semiconductor device having regions of different concentraton of lifetime killer impurity provided in a silicon carbide layer | Johji Nishio, Tatsuo Shimizu | 2020-06-09 |
| 10546932 | Semiconductor device, substrate, method for manufacturing semiconductor device, and method for manufacturing substrate | Johji Nishio, Tatsuo Shimizu | 2020-01-28 |
| 10529558 | Semiconductor device, substrate, method for manufacturing semiconductor device, and method for manufacturing substrate | Johji Nishio, Tatsuo Shimizu | 2020-01-07 |