Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11996638 | Antenna system | Efstratios Doumanis | 2024-05-28 |
| 11527830 | Antenna system with radiator extensions | Efstratios Doumanis | 2022-12-13 |
| 11121445 | Resonator for radio frequency signals | Efstratios Doumanis, Juha Olli Jokilahti | 2021-09-14 |
| 9887466 | Antenna arrangement for orthogonally polarized omnidirectional transmission | Oskari Amper | 2018-02-06 |
| 7764935 | Phase and power calibration in active antennas | Jorma Pallonen, Marko Leukkunen, Kauko Heinikoski | 2010-07-27 |
| 6232929 | Multi-filar helix antennae | Kari Kalle-Petteri Kiesi | 2001-05-15 |