Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11004963 | Insulated gate bipolar transistor having first and second field stop zone portions and manufacturing method | Oana Julia Spulber, Matthias Kuenle, Wolfgang Roesner, Christian Philipp Sandow | 2021-05-11 |
| 10957764 | Vertical semiconductor device | Franz-Josef Niedernostheide, Manfred Pfaffenlehner, Hans-Joachim Schulze, Holger Schulze, Frank Umbach | 2021-03-23 |