Company patents
YAZAKI CORPORATION
Yazaki Corporation's patent strategy reveals a strong, sustained focus on its core 'Electrical Connectors' (38.5% of portfolio) and 'Vehicle Body Fittings' (17.3% of portfolio), both of which saw significant growth in 2024 and 2025, with 'Vehicle Body Fittings' experiencing an 87.0% YoY increase in 2025. While the company maintains a broad portfolio, the rapid growth in 'Power Cable Installation' (118.4% YoY in 2025) and 'Batteries & Fuel Cells' (112.0% YoY in 2025) suggests an emerging strategic emphasis on energy infrastructure and storage, despite the partial data for 2026 showing a decrease in filings across most categories.
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.
1,557 US filings (since 2023) · 11 categories · 36 themes
Systems and methods for preparing, organizing, and electrically connecting individual conductors or cable bundles to connector terminals, ensuring reliable contact and strain relief.
Connectors specifically designed for high current or voltage applications, often incorporating features for power delivery, thermal management, or combining power and signal lines.
Structural design and manufacturing techniques for bundling multiple wires into harnesses, including protective layers like braiding and interlocking armor, and methods for assembly and termination.
Mechanical features or components integrated into connector housings or mating interfaces to ensure secure engagement and prevent accidental disengagement.
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.
Conductive bars or plates used for efficient power distribution within electrical apparatus, often featuring specific designs for connection, thermal management, or modularity to reduce material costs and increase rigidity.
Focuses on the structural integrity, housing, mounting, and physical integration of battery cells into robust and protected packs within electric vehicles, including manufacturing considerations.
Systems that combine light sources, waveguides, and display elements into unified products for backlighting, automotive applications, general lighting, or color-corrected displays.
Software, algorithms, and associated hardware for monitoring, controlling, and optimizing battery performance, safety, and lifespan, including charge/discharge cycles, thermal regulation, and system integration.
Technologies for efficiently delivering power to electric vehicles, encompassing fast charging, wireless charging, and smart grid integration, alongside vehicle-side control and management of the charging process.
Development of new conductive materials, including powders, composites, and alloys, designed for specific electrical performance, manufacturing processes, or applications beyond basic copper wires.
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.
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.
Design and control of power supply architectures that combine multiple power sources (e.g., AC grid, DC battery, generators) or modular battery units, often featuring switching, conversion, and redundancy for enhanced reliability and flexibility.
Integration of power converters with energy storage devices (batteries, supercapacitors) or grid interfaces, often involving AC/DC conversion, power flow management, and fault handling for hybrid power systems or specific applications like EVs or PV.
Optical systems and components specifically designed for head-mounted displays, augmented reality (AR) glasses, and virtual reality (VR) headsets, focusing on image projection, waveguide integration, and display 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.
Devices and methods for accurately measuring or monitoring electrical current draw and power usage in various systems, often for control, optimization, or safety purposes.
Development of polymer compositions and material structures for electrical insulation and protective sheathing of cables, focusing on properties like flame retardancy, flexibility, and semiconductivity.
Systems utilizing various sensors (e.g., cameras, radar, sonar) to perceive the vehicle's surrounding environment, detect objects, and process/display relevant information to the driver for enhanced awareness, assistance in maneuvers, or safety.
Design and assembly of power conversion, distribution, and protection modules, focusing on compact form factors, efficient electrical connections, and robust protective measures for electronic systems, often in high-power applications.
Systems designed to manage the temperature of multiple components in electric or hybrid vehicles, such as batteries, electric motors, power electronics, and the passenger cabin, often using shared or interconnected cooling/heating circuits.
Systems and methods for transferring electrical energy without physical contact, often utilizing inductive or resonant coupling, including antenna design, resonance tracking, and control mechanisms for efficient power delivery.
Methods and systems for identifying anomalies, failures, or impending issues within electric motors or their associated drive and power management circuits, often by monitoring electrical or operational parameters.
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 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.
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.
Handheld or motorized tools designed for efficiently removing insulation (stripping) or severing (cutting) electrical wires and cables during installation or maintenance processes.
Process and equipment for producing solid-state battery cells, including solid electrolyte synthesis (sulfide/oxide/polymer), thin-film deposition, lamination, sintering, dry-electrode fabrication, and stacking under controlled atmosphere.
Safety features built into or around vehicle seats to protect occupants during various accident scenarios, including airbags, pre-crash positioning, and blast attenuation.
Addresses the design and arrangement of electric motors, transmissions, and associated power electronics (like inverters) to form integrated drive units for hybrid or electric vehicles, including specific components like busbars and electric brakes.
Methods and components for optimizing the performance, efficiency, and control of electric motors, inverters, and power converters within electric vehicle and hybrid vehicle drivetrains.
Slurry compositions and coating processes for battery electrodes, including binder/active-material slurries, surface coating layers, and electrode-to-foil adhesion for cathode and anode.
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.
Processes and apparatus for disassembling spent batteries and recovering valuable materials (e.g., metals, electrolytes, plastics) through mechanical, chemical, or electrochemical methods for reuse or sustainable disposal.
Active anode materials and manufacturing techniques for rechargeable lithium-ion batteries, including silicon-carbon composites, graphite, lithium-metal anodes, and electrode coating processes that improve capacity, cycle life, and rate capability.
Patents
Showing 1-10 of 2687