Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6800881 | Silicon-germanium hetero bipolar transistor with T-shaped implantation layer between emitter and emitter contact area | Gunther Lippert, Bernd Heinemann | 2004-10-05 |
| 6750484 | Silicon germanium hetero bipolar transistor | Gunther Lippert, Bernd Heinemann | 2004-06-15 |