Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7880200 | Semiconductor device including a free wheeling diode | Frank Hille, Frank Pfirsch, Holger Ruething | 2011-02-01 |
| 7538412 | Semiconductor device with a field stop zone | Hans-Joachim Schulze, Franz-Josef Niedernostheide, Helmut Strack, Frank Pfirsch | 2009-05-26 |
| 6297101 | Method for producing an MOS transistor structure with elevated body conductivity | — | 2001-10-02 |