Company patents

Sumitomo Rubber Industries, Ltd.

Sumitomo Rubber Industries, Ltd. shows a surprising shift in its patent strategy, with its core "Vehicle Tires" category, representing 48.0% of its portfolio, experiencing a significant decline of -19.9% in 2025 and -67.2% so far in 2026, indicating a potential de-emphasis on its traditional automotive focus. Concurrently, while most categories show declines in 2026, the "Polymer Additives" category, despite its smaller share (8.8%), saw a remarkable 138.5% growth in 2025, suggesting an emerging focus on advanced material compositions.

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.

1,148 US filings (since 2023) · 12 categories · 26 themes

Advanced Tire Component Fabrication

Specialized manufacturing processes and material compositions for producing various components of tires, focusing on properties such as weight reduction, self-sealing capabilities, or structural reinforcement, often involving winding or layering techniques.

Vehicle TiresPlastic Articles (Specific)
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512since 2023
-17.9%YoY
Optimized Tread Pattern & Aerodynamics

Engineering designs for tire treads, including groove patterns, sipe configurations, land shapes, and surface features, to improve performance aspects like grip, water dispersion, wear, and aerodynamic efficiency.

Vehicle Tires
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393since 2023
-15.9%YoY
Non-Pneumatic Tire Structures

Design and construction of tires that do not rely on air pressure for support, often employing lattice structures, spring elements, or other resilient materials to provide load-bearing and shock-absorbing capabilities.

Vehicle Tires
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368since 2023
-31.8%YoY
Advanced Golf Club & Ball Design

Innovations in golf club heads, shafts, and balls focusing on material science, aerodynamic properties, weight distribution, and impact response to improve player performance and product durability.

Sports Equipment
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258since 2023
-10.1%YoY
Elastomer Formulations for Performance

Development of rubber and elastomer compositions, often involving specific polymer blends, additives (e.g., process oils, reinforcing agents), and cure packages, to achieve desired mechanical properties like abrasion resistance, wet grip, shear durability, or flexibility for demanding applications.

Polymer Compositions
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171since 2023
+31.4%YoY
Puncture Protection & Durability

Technologies and structural designs aimed at preventing punctures, resisting damage from external objects, and enhancing the overall robustness and lifespan of pneumatic tires.

Vehicle Tires
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102since 2023
-23.3%YoY
Integrated Tire Sensors & Smart Tire Features

Embedding sensors or transponders within the tire structure to enable advanced functionalities beyond basic pressure monitoring, such as foreign object detection, identification, or detailed internal state monitoring.

Vehicle Tires
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80since 2023
-29.6%YoY
Tire Wear & Lifecycle Monitoring

Technologies for continuously or periodically assessing tire wear, tread depth, distance traveled, and overall health to inform maintenance, retreading decisions, and optimize tire lifespan.

Vehicle Tires
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67since 2023
-31.8%YoY
Polymer Composites with Functional Fillers

Polymer compositions incorporating inorganic or organic filler materials to impart specific functional properties such as thermal conductivity, flame retardancy, electrical conductivity, or enhanced mechanical strength and dimensional stability.

Polymer CompositionsPolymer AdditivesPolymer Synthesis (Polymerization)Coating Compositions (Paints, Inks)
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31since 2023
0.0%YoY
Tire Pressure Monitoring Systems (TPMS)

Systems and methods for detecting and transmitting tire pressure information, often including energy-saving mechanisms, wireless communication protocols, and system architectures for vehicle integration.

Vehicle Tires
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27since 2023
-46.2%YoY
Sustainable Polymer Materials

Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.

Polymer AdditivesPlastics Shaping & MoldingCoating Compositions (Paints, Inks)
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20since 2023
0.0%YoY
Biomedical Polymer Formulations

Polymer compositions tailored for medical and biological applications, including implantable devices, drug delivery systems, and diagnostic tools, emphasizing properties like biocompatibility, hydrolysis resistance, optical clarity, and specific mechanical characteristics.

Polymer CompositionsPolymer Synthesis (Polymerization)
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13since 2023
-83.3%YoY
Functional Coatings and Surface Modifiers

Additives or compositions specifically formulated for surface application or modification to impart protective, decorative, or specialized functional properties to polymer products.

Coating Compositions (Paints, Inks)
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6since 2023
+50.0%YoY
High-Performance Thermally Stable Resins

Polymer compositions engineered for enhanced heat resistance, thermal stability in molten states, or improved processability at high temperatures, often involving specific copolymers, blends, or stabilizing additives for applications in electronics or automotive.

Polymer Compositions
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6since 2023
n/a
Advanced Curing Chemistries

Novel formulations and mechanisms for initiating or controlling the polymerization and cross-linking of adhesives, including dual-curing systems, radical polymerization, and partial curing for tailored material properties.

Coating Compositions (Paints, Inks)
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4since 2023
n/a
Smart/Responsive Polymer Materialsfiltered

Polymer compositions designed to change their properties (e.g., shape, optical transmittance, solubility) in response to external stimuli such as pH, temperature, light, or chemical presence, enabling applications in sensors, smart windows, or controlled release.

Polymer Compositions
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2since 2023
new
Ergonomic & Adjustable Exercise Machines

Design improvements in exercise equipment focusing on user comfort, safety, adjustability, and space-saving features like folding mechanisms or modular components for home or gym use.

Sports Equipment
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2since 2023
n/a
Advanced Biomarker Detection Assays

Methods and compositions for identifying, quantifying, or characterizing specific biological molecules (e.g., nucleic acids, proteins, metabolites, antibodies) or microbial species, often for diagnostic, prognostic, or quality control applications.

Material & Chemical Analysis
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2since 2023
n/a
Dynamic & Reversible Polymer Networks

Polymers incorporating reversible bonds or crosslinks that enable reprocessing, self-healing, or tunable mechanical properties, often responding to stimuli like heat, light, or pH for de-crosslinking and re-crosslinking.

Polymer Synthesis (Polymerization)
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2since 2023
n/a
Photopolymerization for Device Fabrication

Light-initiated polymerization processes used to create structures, coatings, or components, particularly for electronic devices, displays, or additive manufacturing, often involving photoinitiators and specific monomer/oligomer compositions.

Polymer Synthesis (Polymerization)
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2since 2023
n/a
Ball & Net Sports Accessories

Apparatuses and systems designed for handling, storing, practicing with, or maintaining equipment used in ball and net sports, such as pickleball, baseball, or basketball.

Sports Equipment
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1since 2023
new
AI-Enhanced Sports Training & Monitoring

Systems using artificial intelligence and machine learning to monitor athlete performance, provide personalized training plans, predict physiological responses, or create virtual representations for feedback and analysis.

Sports Equipment
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1since 2023
n/a
Advanced Polymerization Processes

Novel methods and reactor designs for polymer synthesis, focusing on improving efficiency, achieving continuous production, or controlling specific polymer architectures and product morphologies like particle size or sheet formation.

Polymer Synthesis (Polymerization)
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1since 2023
n/a
Multi-material Product Integration & Finishing

Techniques for combining multiple materials or layers, often with specialized surface treatments, coatings, or assembly methods, to create functional or aesthetically enhanced plastic articles, including consumer goods and encapsulated electronics.

Plastics Shaping & Molding
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1since 2023
n/a
Plastic Extrusion Processes

Methods and equipment for continuously shaping plastic materials by forcing them through a die, often involving screw extruders, heating elements, and downstream calibration.

Plastics Shaping & Molding
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1since 2023
n/a
Automated Injector Mechanisms

Mechanical or electromechanical systems designed for precise, often self-administered, delivery of medicaments, including features for dose setting, needle insertion/retraction, and safety mechanisms to prevent premature activation.

Drug Delivery Devices
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1since 2023
n/a

Patents

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