Company patents

SL Corporation

SL Corporation's patent strategy reveals a surprising and significant shift away from its core lighting and automotive components, with its largest category, Non-portable Lighting Devices (52.4% of portfolio), experiencing a -36.4% decline in 2026 so far, and Vehicle Lighting & Signaling (22.9% of portfolio) plummeting by -80.0% in 2026, indicating a broad de-emphasis across its traditional strengths.

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.

170 US filings (since 2023) · 12 categories · 22 themes

Vehicle Lighting Optics

Optical systems and components specifically designed for automotive lighting applications, focusing on beam pattern generation, light distribution, and compact integration within vehicle structures.

Non-portable Lighting Devices
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96since 2023
-8.3%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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69since 2023
-11.1%YoY
Adaptive Headlamp Control

Systems that dynamically adjust vehicle headlamp beam patterns, direction, or intensity based on driving conditions, vehicle state, or detected objects to improve visibility and safety.

Vehicle Lighting & Signaling
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46since 2023
-25.0%YoY
Interior & Accent Lighting

Lighting systems designed for aesthetic enhancement, mood setting, or functional illumination within the vehicle cabin, often integrated into trim, panels, or transparent surfaces.

Vehicle Lighting & Signaling
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36since 2023
+57.1%YoY
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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25since 2023
-71.4%YoY
Vehicle Signaling & Communication via Lights

Utilizing vehicle lights for communication, warnings, or signaling to other vehicles, pedestrians, or external systems, beyond basic turn signals and brake lights.

Vehicle Lighting & Signaling
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14since 2023
0.0%YoY
Adaptive Lighting Control Systems

Systems and methods for dynamically adjusting light output, distribution, color, or intensity based on environmental conditions, user presence, content, or specific application needs.

Non-portable Lighting DevicesLighting Devices (Functional Features)
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11since 2023
-25.0%YoY
Electric Powertrain Efficiency & Control

Methods and components for optimizing the performance, efficiency, and control of electric motors, inverters, and power converters within electric vehicle and hybrid vehicle drivetrains.

Electric Vehicle Propulsion
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11since 2023
n/a
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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9since 2023
-60.0%YoY
Hybrid/Electric Drive Unit Design

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.

Gearing & TransmissionsVehicle Powertrain Arrangement
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7since 2023
n/a
Braking & Stationary Vehicle Control

Control systems for managing vehicle braking and maintaining a stationary state, including brake pedal actuation sensing, automatic brake hold functions, and coordination with parking brakes.

Vehicle Control Systems
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7since 2023
n/a
Medical Sterilization Technologies

Methods and apparatus for disinfecting or sterilizing medical devices, waste, or environments, often employing radiation, chemical agents, or thermal processes, and including monitoring systems.

Sterilization & Biocompatible Materials
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5since 2023
+50.0%YoY
Vehicle & Specialized Door Locks

Locking mechanisms specifically designed for automotive applications, recreational vehicles, or unique door types like bi-fold, sliding, or container doors, often incorporating specific safety, noise reduction, or operational features.

Locks & Keys
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5since 2023
+100.0%YoY
LED Optical Extraction & Light Management

Optical structures and lens designs that improve light extraction efficiency from LED dies and modules, including diffractive films, micro-lens arrays, reflectors, and color-conversion layers.

Lighting Devices (Functional Features)
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3since 2023
new
EV Charging Systems & Control

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.

Electric Vehicle Propulsion
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3since 2023
new
In-Vehicle Electronics & Power

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.

Vehicle Body Fittings
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2since 2023
new
Wearable & Portable Lighting

Compact and lightweight lighting devices designed to be worn on the body or easily carried, often featuring ergonomic designs, integrated power sources, and adjustable illumination.

Lighting Devices (Functional Features)
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2since 2023
new
ADAS Perception & Displayfiltered

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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2since 2023
new
Advanced Gear & Drivetrain Designs

Novel configurations and materials for gears and drivetrain components, including specialized profiles, self-aligning features, damping elements, and complex gear train arrangements like planetary, cycloidal, or strain wave gearing.

Gearing & Transmissions
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1since 2023
new
Outdoor Fixture Enclosures & Mounting

Mechanical designs for robust light fixture housings, mounting assemblies, and environmental protection, particularly for outdoor or public installations like streetlights and signage.

Non-portable Lighting Devices
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1since 2023
new
Transmission Lubrication Systems

Designs and components for efficiently supplying, collecting, and managing lubricants (oil, grease) within gearboxes and transmissions to reduce friction, dissipate heat, and extend component operational life.

Gearing & Transmissions
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1since 2023
new
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

Patents

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