Erik Lier
43Patents
14h-index
45Co-inventors
81Inventor score
Filing activity: Nov 12, 1986 → Feb 13, 2024
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6163296A | Calibration and integrated beam control/conditioning system for phased-array antennas | Electricity | 505 | Expired |
| US4783665A | Hybrid mode horn antennas | Electricity | 347 | Expired |
| US6992639B1 | Hybrid-mode horn antenna with selective gain | Electricity | 260 | Expired |
| US8164531B2 | Antenna array with metamaterial lens | Electricity | 196 | Active |
| US8072386B2 | Horn antenna, waveguide or apparatus including low index dielectric material | Electricity | 194 | Active |
| US7286099B1 | Rotation-independent helical antenna | Electricity | 131 | Expired |
| US6239762A | Interleaved crossed-slot and patch array antenna for dual-frequency and dual polarization, with multilayer transmission-line feed network | Electricity | 72 | Expired |
| US7379030B1 | Artificial dielectric antenna elements | Electricity | 64 | Active |
| US6084545A | Near-field calibration system for phase-array antennas | Electricity | 51 | Expired |
| US6703976B2 | Scaleable antenna array architecture using standard radiating subarrays and amplifying/beamforming assemblies | Electricity | 38 | Expired |
| US6507315B2 | System and method for efficiently characterizing the elements in an array antenna | Electricity | 26 | Expired |
| US6407722B1 | Choke coupled coaxial connector | Emerging Cross-Sectional Technologies | 24 | Expired |
| US8912973B2 | Anisotropic metamaterial gain-enhancing lens for antenna applications | Electricity | 22 | Active |
| US8525616B1 | Antenna feed network to produce both linear and circular polarizations | Electricity | 16 | Active |
| US7629937B2 | Horn antenna, waveguide or apparatus including low index dielectric material | Electricity | 14 | Active |
| US6411256B1 | Reduction of local oscillator spurious radiation from phased array transmit antennas | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6642883B2 | Multi-beam antenna with interference cancellation network | Electricity | 12 | Expired |
| US7050019B1 | Concentric phased arrays symmetrically oriented on the spacecraft bus for yaw-independent navigation | Electricity | 8 | Expired |
| US6831600B1 | Intermodulation suppression for transmit active phased array multibeam antennas with shaped beams | Electricity | 7 | Expired |
| US8820921B1 | Assembly for retaining eyeglasses on the head of a user in multiple positions | Physics | 7 | Active |
| US10320085B1 | High efficiency short backfire antenna using anisotropic impedance walls | Electricity | 6 | Active |
| US10665931B2 | Waveguide aperture design for geo satellites | Electricity | 6 | Active |
| US7623085B1 | Artificial dielectric antenna elements | Electricity | 5 | Active |
| US10749252B1 | GPS III antenna payload configuration for enhanced PNT accuracy and reduced high power risk | Electricity | 3 | Active |
| US8466370B2 | Low index metamaterial | Electricity | 3 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.