Company patents

HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD.

HANGZHOU HIKVISION DIGITAL TECHNOLOGY CO., LTD. surprisingly shows a shifting priority away from core computing areas like Computer Vision and Image Processing, which saw significant declines in 2026 (so far) at -66.7% and -80.0% respectively, despite a strong focus on Pictorial / Video Communications, which constitutes 62.8% of its portfolio. While maintaining its dominant position in video, the company is also exhibiting an emerging focus on Network Security & Access Control, with a 100.0% YoY growth in 2026, indicating a strategic pivot towards securing its communication infrastructure.

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.

196 US filings (since 2023) · 12 categories · 21 themes

Video Quality & Encoding Optimization

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.

Pictorial / Video CommunicationsComputer Vision
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108since 2023
+3.2%YoY
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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98since 2023
-6.5%YoY
Granular Data Encryption & Access Control

Systems and methods for encrypting data at a fine-grained level (e.g., per data unit or based on sensitivity) and controlling access to it, often involving delegated authorization, contextual policies, or secure data sharing.

Cryptographic Mechanisms
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9since 2023
+100.0%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 CommunicationsPhotographic Apparatus
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6since 2023
-66.7%YoY
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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6since 2023
n/a
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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4since 2023
new
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 Vision
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4since 2023
0.0%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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4since 2023
0.0%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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3since 2023
new
Hardware-Assisted Cryptographic Operations

Utilizing dedicated hardware components, secure enclaves, or trusted execution environments to perform cryptographic operations, enhancing security, performance, or isolation from software vulnerabilities.

Cryptographic Mechanisms
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3since 2023
-50.0%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
n/a
Secure Communication Protocols

Technologies for establishing and maintaining secure communication channels between devices or networks, often employing encryption, secure protocols, or virtual private networks (VPNs).

Network Security & Access Control
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2since 2023
new
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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2since 2023
+100.0%YoY
Quantum Machine Learningfiltered

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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2since 2023
new
Homomorphic Encryption Acceleration

Techniques for improving the performance, efficiency, or practicality of fully homomorphic encryption (FHE) schemes, often involving hardware accelerators or optimized algorithms for operations like bootstrapping and key-switching.

Cryptographic Mechanisms
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2since 2023
0.0%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.

Network Security & Access Control
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2since 2023
0.0%YoY
Network Intrusion Detection

Systems and methods for identifying and blocking unauthorized access, malicious activities, or abnormal behavior within a network by analyzing traffic, system logs, or behavioral patterns.

Network Security & Access Control
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2since 2023
0.0%YoY
Specialized Compute Architectures

Novel hardware designs and processing pipelines tailored for specific computational tasks, such as graphics rendering, neural network operations, or matrix transformations, often involving custom circuits, memory arrays, or data flow mechanisms.

Computer Hardware Architecture
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2since 2023
new
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.

Computer Hardware Architecture
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1since 2023
new
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 & AI
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1since 2023
new
Data Resiliency & Recovery

Encompasses strategies and technologies to ensure the availability, integrity, and recoverability of data and systems, including robust backup, replication, error correction, and efficient data restoration.

System Reliability & Diagnostics
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1since 2023
n/a

Patents

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Quantum Machine Learning
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