Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6878604 | Semiconductor element comprising a sequence of layers for converting acoustic or thermal signal and electrical voltage changes into each other and method for producing the same | Robert Aigner, Thomas Rainer Herzog, Stephan Marksteiner, Winfried Nessler | 2005-04-12 |
| 6841922 | Piezoelectric resonator apparatus with acoustic reflector | Robert Aigner, Stephan Marksteiner, Hans-Joerg Timme | 2005-01-11 |