Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7212438 | Semiconductor device and method of operating a semiconductor device | Achim Gratz | 2007-05-01 |
| 7074678 | Method for fabricating a buried bit line for a semiconductor memory | Veronika Polei, Achim Gratz | 2006-07-11 |
| 6645812 | Method for fabricating a non-volatile semiconductor memory cell with a separate tunnel window | Peter Wawer, Oliver Springmann, Konrad Wolf, Olaf Heitzsch, Kai Huckels +4 more | 2003-11-11 |