Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6545641 | Patch antenna for the microwave range | Indra Ghosh | 2003-04-08 |
| 6373441 | Dielectric resonator antenna | Frank Heinrichs | 2002-04-16 |
| 6323808 | Dielectric resonator antenna | Frank Heinrichs, Peter J. Massey | 2001-11-27 |
| 6314276 | Transmitted-receiver | Achim Hilgers, Frank Heinrichs | 2001-11-06 |
| 5998938 | Circuit arrangement with a piezoelectric transformer | Albert Comberg | 1999-12-07 |
| 5910711 | Discharge lamp dimmer circuit with piezo-electric transformer and adjustable capacitor | Achim Hilgers | 1999-06-08 |