Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10727326 | Trench-gate insulated-gate bipolar transistors (IGBTs) | Ralph N. Wall, Mingjiao Liu, Shamsul Arefin Khan, Gordon M. Grivna | 2020-07-28 |
| 10546948 | Electronic device including an insulated gate bipolar transistor having a field-stop region and a process of forming the same | Ralph N. Wall | 2020-01-28 |