Issued Patents 2019
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10249747 | Turn-off power semiconductor device with improved centering and fixing of a gate ring, and method for manufacturing the same | Hendrik Ravener, Tobias Wikström, Hermann Amstutz | 2019-04-02 |