Company patents
YOKOWO CO., LTD.
YOKOWO CO., LTD. surprisingly maintains a strong focus on Antennas, representing 63.9% of its portfolio, despite a significant decline in patenting activity in this area by 20.5% in 2025 and a further 61.3% so far in 2026. While core areas like Electrical Measurement and Electrical Connectors show some fluctuation, the company appears to be exploring new material science applications, with Alloys experiencing a 100.0% growth in patenting activity so far in 2026.
Patent Trend by Technology Area
Yearly patent publications since 2023
Product themes
Product-level themes inferred from filings since 2023, with category chips showing where each theme appears. Select a theme to filter the patents below.
166 US filings (since 2023) · 6 categories · 17 themes
Design and manufacturing techniques for incorporating antenna structures directly into electronic devices, product housings, or materials, often under constraints of space, aesthetics, or environmental factors.
Antennas engineered to operate effectively across a wide continuous range of frequencies (broadband) or multiple distinct frequency bands, often requiring specific radiating element geometries or impedance matching circuits.
Techniques and structures used to reduce unwanted electromagnetic coupling, scattering, or interference between multiple antennas, different frequency bands, or sensitive electronic components within a device.
Systems and methods for electronically steering or shaping antenna beams by controlling the phase and amplitude of signals fed to individual elements in an array, including calibration techniques and multi-antenna configurations.
Techniques and apparatus for electrically testing semiconductor devices, integrated circuits, or wafers during manufacturing or post-assembly, including built-in self-test (BIST) and contact reliability assessment.
Design of contact elements and their interaction to ensure stable, low-resistance electrical connection under various mechanical and environmental conditions, including spring forces and material choices.
Technologies that enable automated or mobile device-controlled access to a vehicle, including keyless entry, remote functions, and power-assisted steps or pedals designed to facilitate easier ingress and egress.
Mechanical features or components integrated into connector housings or mating interfaces to ensure secure engagement and prevent accidental disengagement.
Connectors specifically designed for high current or voltage applications, often incorporating features for power delivery, thermal management, or combining power and signal lines.
Devices and structural elements within the vehicle cabin or attached to the vehicle body designed to organize, secure, or support various articles, equipment, or even pets, often featuring customizable compartments or robust attachment mechanisms.
Methods and compositions for applying metallic or alloy layers to a substrate, or modifying the surface of an alloy, to impart specific functional properties such as corrosion resistance, wear resistance, electrical insulation, or improved adhesion, without altering the bulk properties significantly.
Systems and methods for preparing, organizing, and electrically connecting individual conductors or cable bundles to connector terminals, ensuring reliable contact and strain relief.
Integration and control of electronic components within the vehicle, including power distribution, thermal management for integrated circuits, and advanced user interfaces such as voice assistants, often involving specialized housings or trim.
Methods and structures for integrating and enclosing electronic components into compact, multi-functional modules, often involving embedded components, multi-layer substrates, and electromagnetic shielding for performance and miniaturization.
Methods and materials used to construct robust and protective enclosures for electronic devices, focusing on structural integrity, impact resistance, thermal dissipation, and specialized material properties for enhanced durability.
Manufacturing processes and material compositions for creating electronic circuits on flexible or conformable substrates, enabling novel form factors, enhanced durability, and new applications beyond rigid PCBs.
Techniques and systems for precisely measuring electrical or electromagnetic properties of materials or components, often involving specialized resonators, waveguides, or multi-range measurement systems to ensure accuracy.
Patents
Showing 1-10 of 22
Semiconductor Electrical Test