Company patents

KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO

KABUSHIKI KAISHA TOKAI-RIKA-DENKI-SEISAKUSHO's patent strategy shows a strong, albeit fluctuating, focus on automotive components, with Vehicle Body Fittings making up 42.0% of its portfolio despite a significant 36.4% decline in 2025 and a further 71.4% drop so far in 2026. Surprisingly, while core automotive categories like Vehicle Steering & Bodies and Vehicle Lighting & Signaling have seen sharp declines in 2026, the company demonstrated an emerging focus in Gearing & Transmissions with a 66.7% growth in 2025, suggesting a potential shift in manufacturing priorities within its broader portfolio.

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.

138 US filings (since 2023) · 10 categories · 14 themes

Vehicle-Integrated Camera Systems

Camera assemblies specifically designed for integration into vehicles, addressing challenges like mounting, field of view coverage, environmental robustness, and specialized imaging (e.g., near-infrared) for autonomous driving or safety.

Photographic Apparatus
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20since 2023
-50.0%YoY
Integrated Display & Illumination

Systems that combine light sources, waveguides, and display elements into unified products for backlighting, automotive applications, general lighting, or color-corrected displays.

Optical Elements & Systems
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15since 2023
-20.0%YoY
Integrated Lighting Modules

Combining lighting elements with other functional components or into complex structures, such as mirrors, emblems, or multi-function fixtures, often involving advanced optical or thermal management.

Vehicle Lighting & Signaling
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8since 2023
+300.0%YoY
ADAS Perception & Display

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.

Vehicle Body Fittings
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7since 2023
-75.0%YoY
Advanced Steering Control

Electronic, hydraulic, or steer-by-wire systems that precisely control vehicle direction, often incorporating feedback loops, compensation, and adaptation for various driving conditions or vehicle types.

Vehicle Steering & Bodies
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7since 2023
-50.0%YoY
Vehicle Body Structural Design

Innovations in the materials, manufacturing, and assembly of vehicle body components to enhance rigidity, crashworthiness, and functional integration.

Vehicle Steering & Bodies
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6since 2023
+300.0%YoY
Interior Storage & Mounting Solutions

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.

Vehicle Body Fittings
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6since 2023
new
Continuously Variable Transmissions

Transmissions designed to provide a continuous range of gear ratios between fixed limits, often employing ball-planetary, toroidal, or belt-pulley mechanisms, and including their control systems for stable operation in various directions.

Gearing & Transmissions
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4since 2023
0.0%YoY
Camera Support & Stabilization Accessories

Mechanical structures and devices designed to support, stabilize, or mount cameras and related photographic equipment, often featuring quick-release mechanisms, damping, or adjustable components.

Photographic Apparatus
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3since 2023
new
Integrated Occupant Protection

Safety features built into or around vehicle seats to protect occupants during various accident scenarios, including airbags, pre-crash positioning, and blast attenuation.

Vehicle Body Fittings
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3since 2023
n/a
Smart Vehicle Access & Entry Aids

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.

Vehicle Body Fittings
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2since 2023
+100.0%YoY
Capacitive Sensing & Compensation

Design and implementation of capacitive sensors, including methods for improving accuracy, reducing power consumption, compensating for environmental variations (like temperature), and analyzing complex displacement interactions.

Measurement (Non-specific)
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2since 2023
n/a
Integrated Actuation and Drive Systems

Methods and components for converting power into mechanical motion to drive pump mechanisms, encompassing electric motors, hydraulic actuators, and specialized motion converters like ball screws or solenoids.

Gearing & Transmissions
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1since 2023
n/a
Projection Display Devices

Systems and components for projecting images, including light sources (e.g., laser), optical modulation elements (e.g., metasurfaces, spatial modulators), and optical paths for generating and displaying images.

Photographic Apparatus
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1since 2023
n/a

Patents

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