Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11670706 | Methods of manufacture for trench-gate insulated-gate bipolar transistors (IGBTs) | Meng-Chia Lee, Ralph N. Wall, Mingjiao Liu, Gordon M. Grivna | 2023-06-06 |
| 11056581 | Trench-gate insulated-gate bipolar transistors | Mingjiao Liu, Gordon M. Grivna, Meng-Chia Lee, Ralph N. Wall | 2021-07-06 |
| 10727326 | Trench-gate insulated-gate bipolar transistors (IGBTs) | Meng-Chia Lee, Ralph N. Wall, Mingjiao Liu, Gordon M. Grivna | 2020-07-28 |