Company patents

NEC CORPORATION

NEC CORPORATION's patent strategy reveals a strong, sustained focus on core computing areas like Computer Vision (26.6% of portfolio) and Image Processing (16.4%), despite a significant drop in filings across all categories so far in 2026. Surprisingly, the company has shown an emerging focus on Medical Diagnostics & Surgery, with a remarkable 125.3% YoY growth in 2024, and Healthcare Informatics, which saw an even more dramatic 151.2% YoY increase in 2024, indicating a strategic diversification into the medical device sector.

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.

9,262 US filings (since 2023) · 12 categories · 51 themes

Video Enhancement & Object Tracking

Methods and systems for improving the quality of video streams, generating intermediate frames, or continuously locating and following objects within a sequence of images, even under occlusion.

Image Processing
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894since 2023
+2.8%YoY
Vision-Based Object & Pose Estimation

Methods and apparatus for detecting objects and determining their three-dimensional position and orientation (pose) using imagery or point cloud data, often for navigation, surveying, or environmental understanding.

Computer Vision
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732since 2023
+1.3%YoY
Advanced RF & Beam Management

Techniques and hardware architectures for optimizing the radio frequency (RF) front-end, antenna systems, and beamforming strategies in wireless networks to improve signal quality, capacity, and interference mitigation.

Wireless Networks
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713since 2023
-27.4%YoY
Automated Visual Inspection

Systems that employ imaging and image processing to automatically detect defects, verify states, or ensure quality control in manufactured goods, printed materials, or industrial processes.

Pictorial / Video Communications
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516since 2023
-3.8%YoY
Video Quality & Encoding Optimizationfiltered

Methods and apparatus for improving the visual fidelity, resolution, or compression efficiency of video signals, often through advanced processing, up-scaling, or neural network-based filters.

Computer VisionPictorial / Video Communications
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420since 2023
+1.7%YoY
Access Control & Identity Management

Systems and methods for authenticating users, devices, or applications, authorizing their access to resources based on policies, and managing digital identities across various platforms.

Computer Security
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323since 2023
+18.4%YoY
Efficient Visual Feature Extraction

Algorithms and hardware optimizations for rapidly identifying and characterizing relevant visual features (e.g., objects, motion, gradients) from images or video streams, often integrating machine learning for feature representation and recognition, with a focus on real-time performance and reduced computational cost.

Pattern Recognition & ML Models
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319since 2023
-23.1%YoY
Real-time Anomaly Detection

Methods and systems that identify unusual or suspicious patterns in data streams, often leveraging machine learning models trained on normal behavior, to detect threats, faults, or significant events as they occur.

Pattern Recognition & ML Models
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262since 2023
-34.4%YoY
Surgical Imaging & Navigation

Systems and methods that use imaging technologies, computer vision, and augmented reality to provide real-time guidance, localization, and visualization during surgical procedures or for detailed anatomical assessment.

Medical Diagnostics & Surgery
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167since 2023
-7.6%YoY
AI Information Synthesis

Systems and methods utilizing artificial intelligence, particularly large language models and neural networks, to extract, summarize, generate, or categorize information from unstructured or semi-structured data sources.

Databases & Information Retrieval
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148since 2023
+44.4%YoY
AI for Medical Diagnostics

Utilizing machine learning, particularly deep learning, to analyze medical data such as images, sensor readings, or physiological signals for disease prediction, diagnosis, or treatment assessment.

Machine Learning & AIHealthcare InformaticsComputer VisionImage ProcessingMedical Diagnostics & Surgery
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135since 2023
-18.2%YoY
Wearable Physiological Sensing

Development of devices and methods for non-invasive or minimally invasive collection and analysis of physiological data, often from wearable sensors, to monitor health, activity, or specific conditions.

Medical Diagnostics & Surgery
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130since 2023
-59.1%YoY
Sensor-based Environment Perception

Techniques and hardware for autonomous systems to gather and interpret data about their surroundings, including obstacle detection, object recognition, and depth estimation, to inform control decisions.

Computer Vision
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113since 2023
-16.2%YoY
Automated Transaction Systems

Systems designed to streamline and automate various commercial transactions, including mobile-enhanced processes, secure online checkouts, customer service interactions, and privilege issuance, often leveraging digital authentication.

Business Methods & Fintech
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103since 2023
-44.7%YoY
AI/ML for Cryptographic Security

Applying artificial intelligence and machine learning techniques to enhance cryptographic systems, such as generating encryption models, improving zero-trust architectures, or enabling privacy-preserving computations like federated learning.

Computer Security
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101since 2023
-34.2%YoY
Rehabilitation & Biomechanical Assessment

Devices and software systems designed to facilitate physical rehabilitation, track human movement, evaluate posture, or assess biomechanical parameters for injury recovery, surgical planning, or performance improvement.

Healthcare Informatics
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95since 2023
-2.7%YoY
Airspace & Drone Traffic Management

Systems and methods for monitoring, controlling, and optimizing the movement of unmanned aerial vehicles (UAVs) and other aircraft, including real-time connectivity, flight planning, and route modification.

Wireless Networks
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94since 2023
-6.5%YoY
Multi-Sensor Imaging & Synthesis

Systems that combine data from multiple camera sensors or capture multiple images from different perspectives or qualities, often involving image processing techniques like synthesis to create enhanced or comprehensive views.

Pictorial / Video Communications
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94since 2023
-26.7%YoY
Large Model Text Generation

Techniques for generating human-like text or other content using large pre-trained models, often involving prompt engineering, speculative decoding, or multi-modal inputs for content creation.

Machine Learning & AI
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82since 2023
+21.7%YoY
ML-driven Decision Support

Application of machine learning models to process complex data and generate actionable insights, predictions, or classifications that inform or automate decision-making processes in various domains like healthcare, business, or industrial control.

Pattern Recognition & ML Models
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78since 2023
-14.3%YoY
Specialized Neural Network Architectures

Development and optimization of novel neural network layers or architectures specifically designed to improve performance or efficiency for computer vision tasks.

Computer Vision
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73since 2023
-13.6%YoY
Generative AI for Images

Techniques utilizing deep learning models like Generative Adversarial Networks (GANs) or diffusion models to create new images, modify existing ones, or generate synthetic data based on various inputs or conditions.

Computer VisionImage Processing
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71since 2023
-29.2%YoY
Physiological Monitoring & Diagnostics

Systems and methods for non-invasive or minimally invasive collection and analysis of physiological data (e.g., blood pressure, electrolytes, genetic markers, B cell repertoire) to assess patient health status, screen for conditions, or aid in diagnosis.

Healthcare Informatics
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66since 2023
-28.0%YoY
Intelligent Decision Support

Systems that process data to provide personalized recommendations, predict events, or automate decision-making processes based on learned patterns, user behavior, or environmental factors.

Databases & Information Retrieval
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66since 2023
-26.3%YoY
Secure Data Sharing & Rights Management

Mechanisms to facilitate the secure exchange of data between different entities or systems while enforcing usage policies, managing digital content rights, and ensuring data consistency during replication or transfer.

Computer Security
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64since 2023
0.0%YoY
AI-Powered Adaptive Learning & Personalization

Systems leveraging artificial intelligence and machine learning to dynamically adjust educational content, learning paths, goals, or feedback based on individual user performance, progress, or physiological data. This includes generating personalized exercises, recommendations, and adaptive sequencing of knowledge points.

Pattern Recognition & ML Models
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63since 2023
-34.8%YoY
AI/ML Hardware Acceleration

Specialized hardware, architectural designs, and computational methods to improve the speed, efficiency, and security of artificial intelligence and machine learning model execution, particularly for inference and data processing.

Machine Learning & AI
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62since 2023
-68.2%YoY
Multi-modal Sensor Fusion

Techniques for combining data from disparate sensor types (e.g., cameras, radar, mobile device signals) to achieve a more robust and comprehensive understanding of an environment or subject, often leveraging machine learning for interpretation and correlation.

Computer VisionPattern Recognition & ML Models
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61since 2023
-35.7%YoY
Quantum Machine Learning

Developing and applying machine learning algorithms that leverage quantum computing principles, such as quantum circuits or autoencoders, for tasks like simulation or data processing.

Machine Learning & AI
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61since 2023
-19.0%YoY
Emergency & Safety Communication Systems

Technologies for transmitting critical alerts and information during emergencies, often involving wireless networks, specialized devices, and protocols to ensure timely and targeted communication to users or emergency services.

Wireless Networks
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61since 2023
-37.5%YoY
Autonomous Path Planning

Algorithms and systems for generating, optimizing, and executing trajectories for autonomous vehicles or robots to move through an environment, often involving obstacle avoidance, route validation, and goal reaching.

Image Processing
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52since 2023
-27.3%YoY
Damage Detection & Structural Assessment

Automated systems using image processing and artificial intelligence to identify, classify, and assess the extent of damage to structures or objects, supporting maintenance or insurance claims.

Image Processing
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50since 2023
0.0%YoY
Wearable & Mobile Interaction

Designing user interfaces and interaction methods specifically for mobile or wearable devices, enabling control of external systems, monitoring user states, or facilitating real-world transactions.

Input/Output & User Interfaces
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50since 2023
-31.6%YoY
AR/VR User Interfaces

Techniques for rendering, interacting with, and managing content within augmented or virtual reality environments, including spatial tracking, gaze interaction, and dynamic multi-application display management.

Input/Output & User Interfaces
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44since 2023
+90.9%YoY
Personalized Recommendations

Systems that use user data, preferences, and machine learning to generate tailored advice, product recommendations, goal-setting plans, or contextual information for individuals across different domains.

Business Methods & Fintech
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44since 2023
-8.3%YoY
Secure Data Storage & Provenance

Techniques for protecting data at rest or in backup, ensuring its integrity, confidentiality, and verifiable origin, often involving encryption, unique identifiers, or secure repositories.

Computer Security
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40since 2023
-33.3%YoY
Smart Medication Management

Systems that integrate digital technology, sensors, or connectivity to monitor, track, or automate aspects of medication administration, often providing data feedback, personalized recommendations, or secure logging.

Healthcare Informatics
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38since 2023
+36.4%YoY
Federated & Distributed ML

Methods for training machine learning models across multiple decentralized devices or servers while keeping data localized, often involving aggregation of model parameters and secure communication.

Machine Learning & AI
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36since 2023
-30.8%YoY
Connected Vehicle Communication (V2X)

Systems enabling wireless communication between vehicles (V2V), vehicles and infrastructure (V2I), or vehicles and other entities (V2X) to share information for traffic management, safety, and navigation.

Wireless Networks
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35since 2023
-56.2%YoY
Location-Aware Mobile Services

Mobile applications and systems leveraging wireless communication and location data (e.g., GPS, RFID, geo-fencing) to provide context-specific services, transactions, or user interactions.

Wireless Networks
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28since 2023
-33.3%YoY
Interactive & Generative Display Systems

Technologies that create dynamic and interactive visual content for displays, including virtual/wearable systems, by generating overlays, replacing input streams, or merging real-time user actions with digital environments.

Pictorial / Video Communications
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25since 2023
+366.7%YoY
Surgical Instrument Mechanisms

Focuses on the mechanical design, articulation, and actuation of hand-held or robotic surgical instruments, including improvements in stapling, cutting, grasping, and tissue manipulation.

Medical Diagnostics & Surgery
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19since 2023
+33.3%YoY
Multimodal Data Fusion

Techniques for combining and analyzing information from multiple distinct data modalities (e.g., text, image, video, audio, sensor data) to derive richer insights or improve system performance and decision-making.

Machine Learning & AIDatabases & Information Retrieval
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17since 2023
+900.0%YoY
Medical Device Ergonomics

Focuses on the design of medical equipment for ease of use, mobility, and adaptability in various clinical or home environments, including carts, mounting systems, and compact form factors.

Medical Diagnostics & Surgery
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17since 2023
+50.0%YoY
Digital Asset Management

Technologies for securing, managing, and transacting with virtual currencies, non-fungible tokens (NFTs), and other blockchain-based digital assets, including hardware wallets and tokenization schemes for various purposes.

Business Methods & Fintech
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16since 2023
+25.0%YoY
Specialized Data Integration

Methods and systems for integrating, transforming, and managing complex or domain-specific data from disparate sources into a unified structure, often for specific applications like social networks, genomics, or business forms.

Databases & Information Retrieval
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14since 2023
-75.0%YoY
Personalized Digital Therapeutics

Digital platforms and systems that deliver tailored therapeutic interventions, guidance, or recommendations to patients based on their individual health data, biometric feedback, and computational models (e.g., AI/ML, physiological simulations).

Healthcare Informatics
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13since 2023
+100.0%YoY
3D Reconstruction & Modeling

Processes for creating or manipulating three-dimensional digital representations of objects or environments, including mesh generation, surface fitting, and depth estimation from multiple views.

Image Processing
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13since 2023
0.0%YoY
MLOps & Model Deployment

Systems and methods for automating the lifecycle of machine learning models, including pipeline deployment, model management, versioning, and configuring for different inference environments.

Machine Learning & AI
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9since 2023
+25.0%YoY
Operational Technology (OT) Security

Specialized cybersecurity solutions designed to protect industrial control systems (ICS), SCADA networks, and other operational technology environments from cyber threats and unauthorized access.

Computer Security
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6since 2023
-33.3%YoY
Real-time Graphics Rendering

Techniques and hardware architectures designed to efficiently generate and display complex 3D graphics, particularly for interactive applications like virtual reality, focusing on speed and visual quality.

Image Processing
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3since 2023
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Patents

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