Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10957685 | Multi-trench semiconductor device and method of manufacture thereof | Steffen Holland, Zhihao Pan, Hans-Martin Ritter, Tobias Sprogies, Thomas Igel-Holtzendorff +2 more | 2021-03-23 |
| 10643941 | Semiconductor device | Zhihao Pan, Friedrich Hahn, Steffen Holland, Olaf Pfennigstorf, Hans-Martin Ritter | 2020-05-05 |
| 10546816 | Semiconductor substrate with electrically isolating dielectric partition | Hans-Martin Ritter, Joachim Utzig, Frank Burmeister, Godfried Henricus Josephus Notermans, Rainer Mintzlaff | 2020-01-28 |
| 7528459 | Punch-through diode and method of processing the same | Hans-Martin Ritter, Martin Lübbe | 2009-05-05 |