SPATIAL DIGITAL SYSTEMS, INC.
97Patents
97Active
97Granted
56Portfolio score
Filing activity: May 5, 2008 → Mar 6, 2023 · 8 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US9356358B2 | Architectures and methods for novel antenna radiation optimization via feed repositioning | Electricity | 166 | Active |
| US7609198B2 | Apparatus and method for radar imaging by measuring spatial frequency components | Physics | 87 | Active |
| US8767615B2 | Concurrent airborne communication methods and systems | Physics | 48 | Active |
| US7786933B2 | Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver | Electricity | 24 | Active |
| US8098612B2 | Apparatus and method for remote beam forming for satellite broadcasting systems | Electricity | 22 | Active |
| US8035562B2 | Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver | Electricity | 19 | Active |
| US9502022B2 | Apparatus and method of generating quiet zone by cancellation-through-injection techniques | Physics | 12 | Active |
| US8232918B2 | Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver | Electricity | 11 | Active |
| US9621254B2 | Communications architectures via UAV | Electricity | 11 | Active |
| US9780859B2 | Multi-user MIMO via active scattering platforms | Electricity | 9 | Active |
| US7834807B2 | Retro-directive ground-terminal antenna for communication with geostationary satellites in slightly inclined orbits | Electricity | 7 | Active |
| US8395546B2 | Receive only smart ground-terminal antenna for geostationary satellites in slightly inclined orbits | Electricity | 7 | Active |
| US9435893B2 | Digital beam-forming apparatus and technique for a multi-beam global positioning system (GPS) receiver | Electricity | 6 | Active |
| US8107569B2 | Method and apparatus for channel bonding using a multiple-beam antenna | Electricity | 6 | Active |
| US9692549B2 | Accessing CP channels with LP terminals via wavefront multiplexing | Electricity | 6 | Active |
| US8862050B2 | Polarization diversity with portable devices via wavefront muxing techniques | Electricity | 4 | Active |
| US10069553B2 | Multi-user MIMO via active scattering platforms | Electricity | 4 | Active |
| US8953728B2 | System for processing data streams | Electricity | 4 | Active |
| US8384572B2 | Noise injection technique | Electricity | 4 | Active |
| US10277306B2 | Systems for surveillance using airborne platforms as receiving platforms for bistatic radars | Electricity | 4 | Active |
| US10484081B1 | Ground terminals via remote digital-beam-forming networks for satellites in non-geostationary orbit | Electricity | 3 | Active |
| US10574338B1 | Systems for surveillance using airborne platforms as receiving platforms for bistatic radars | Electricity | 3 | Active |
| US9749033B2 | Smart ground-terminal antenna for geostationary satellites in slightly inclined orbits | Electricity | 3 | Active |
| US9231729B2 | Resource allocation in PON networks via wave-front multiplexing and de-multiplexing | Electricity | 3 | Active |
| US9793977B2 | Systems for recovery communications via airborne platforms | Electricity | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.