Company patents

Realtek Semiconductor Corp.

Realtek Semiconductor Corp's patent strategy shows a surprising recent shift, with significant declines across many core areas in 2026 so far, including Wireless Networks (-59.4% YoY), Input/Output & User Interfaces (-71.4% YoY), and Image Processing (-65.2% YoY), despite a prior strong growth in Wireless Networks (+60.9% in 2024). However, the company is showing an emerging focus in Computer Vision, which grew by +30.8% in 2025, and a recent uptick in Hardware Platform (Cooling, Power, Packaging) with a +33.3% YoY growth in 2026, suggesting a pivot towards more foundational computing 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.

885 US filings (since 2023) · 12 categories · 40 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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93since 2023
-32.4%YoY
High-Speed Clock & Data

Circuits and techniques for generating, synchronizing, interpolating, and recovering high-frequency clock signals and high-speed data streams, often involving reduced propagation delay, multi-level signaling, and robust sampling mechanisms.

Pulse / Digital Logic Circuits
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91since 2023
+15.4%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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73since 2023
+70.6%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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69since 2023
-16.0%YoY
Memory System Performance & Reliability

Hardware and control techniques for optimizing memory access latency, ensuring data integrity, and managing storage resources efficiently. This includes error correction, read/write voltage control, and intelligent data placement or in-memory computation.

Computer Hardware Architecture
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60since 2023
-18.2%YoY
Amplifier Error & Offset Correction

Methods and circuits to detect and compensate for various imperfections in amplifier operation, such as DC offset, gain errors, phase errors, duty-cycle errors, or input error components, to improve accuracy and signal integrity.

Amplifiers
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54since 2023
-11.8%YoY
High-Efficiency Power Amplifiers

Circuit designs and control techniques focused on maximizing the power conversion efficiency of amplifiers, especially for radio frequency (RF) or audio applications, often involving load modulation, envelope tracking, or specific amplifier classes (e.g., Class-D, Doherty).

Amplifiers
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51since 2023
+28.6%YoY
Full-Duplex Communication & Self-Interference Mitigation

Techniques enabling simultaneous transmission and reception of signals on the same or adjacent frequency bands, including methods for managing and mitigating self-interference and configuring network resources for such operation.

Physical Transmission & Modulation
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35since 2023
-18.2%YoY
Reconfigurable & Programmable Amplifiers

Amplifier designs that allow for dynamic adjustment of their operating characteristics, such as gain, impedance, or amplification path, based on control signals, input conditions, or desired performance modes.

Amplifiers
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34since 2023
+100.0%YoY
High-Speed Data Interconnects

Technologies for establishing and managing high-bandwidth, low-latency communication pathways between computing components, peripherals, or systems, focusing on signal integrity, synchronization, and interface standards.

Computer Hardware Architecture
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33since 2023
+22.2%YoY
Flexible Frame Structures & Resource Grouping

Design and configuration of adaptable frame structures, resource block groupings, and subcarrier spacings to optimize data transmission across diverse wireless environments and services, including considerations for fronthaul interfaces.

Physical Transmission & Modulation
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31since 2023
+11.1%YoY
Low-Noise Amplifier (LNA) Design

Circuitry and techniques specifically designed to amplify weak signals while minimizing the introduction of additional noise and maintaining high linearity, often incorporating impedance matching, parasitic neutralization, or protection circuits.

Amplifiers
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28since 2023
-12.5%YoY
Semiconductor Electrical Test

Techniques and apparatus for electrically testing semiconductor devices, integrated circuits, or wafers during manufacturing or post-assembly, including built-in self-test (BIST) and contact reliability assessment.

Electrical Measurement
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27since 2023
-41.7%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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19since 2023
0.0%YoY
On-Chip Power Management & Protection

Integrated circuits or sub-circuits designed to regulate, balance, or protect power delivery within a device, often involving specific transistor and capacitor arrangements.

Computer Hardware Architecture
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19since 2023
-42.9%YoY
Transimpedance & Transconductance Amplifiers

Specialized amplifier types designed for converting current to voltage (transimpedance) or voltage to current (transconductance), often featuring virtual ground configurations, precise gain setting, and compensation for input/output characteristics.

Amplifiers
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18since 2023
-50.0%YoY
Advanced Modulation & Coding Schemes

Techniques for encoding digital data onto analog carrier signals using complex constellation diagrams, multi-level signaling, or layered approaches, often combined with error correction codes, to achieve higher data rates, improved spectral efficiency, or extended range.

Physical Transmission & Modulation
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16since 2023
+50.0%YoY
Reference Signal Design & Optimization

Methods for designing, transmitting, and utilizing specific reference signals (e.g., DMRS, SRS, PT-RS) to enable accurate channel estimation, interference measurement, synchronization, or sensing in wireless communication systems.

Physical Transmission & Modulation
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16since 2023
+500.0%YoY
Network Operations, Reliability & Traffic

Techniques and systems designed to monitor network health, diagnose issues, optimize traffic flow, and ensure continuous operation and reduced downtime in complex network environments, including cloud and storage area networks.

Routing, Switching & QoS
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14since 2023
+250.0%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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13since 2023
+66.7%YoY
Physical Layer & Interface Optimization

Enhancements to the physical and data link layers of network communication, focusing on hardware components, signal integrity, power efficiency, and efficient data transfer mechanisms for specific interfaces and buses.

Routing, Switching & QoS
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12since 2023
0.0%YoY
Physical Layer Impairment Detection & Mitigationfiltered

Techniques and circuits designed to detect, estimate, and mitigate various physical layer signal impairments such as frequency spurs, phase noise, or non-linear distortions, thereby improving overall signal quality and system performance.

Physical Transmission & Modulation
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9since 2023
+200.0%YoY
Power Delivery & Battery Management

Techniques for efficiently supplying power to electronic devices, managing battery charge/discharge cycles, optimizing power consumption, and converting power between different voltage levels or AC/DC for improved energy efficiency and longevity.

Hardware Platform (Cooling, Power, Packaging)
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9since 2023
-66.7%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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8since 2023
0.0%YoY
Network Traffic Management & QoS

Techniques and systems for optimizing network traffic flow, distributing loads across multiple paths or resources, and ensuring quality of service based on various criteria like application type, latency, or resource availability. This includes dynamic path selection, congestion control, and resource allocation.

Routing, Switching & QoS
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8since 2023
0.0%YoY
Analog Sensing Interfaces

Digital logic circuits designed to interface with analog sensors or signals, including comparators, input buffers, differential input stages, and logic for processing sensor outputs (e.g., capacitance, optical, touch) for detection or measurement.

Pulse / Digital Logic Circuits
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7since 2023
-50.0%YoY
Network Security & Access Control

Methods and systems for protecting network resources and data from unauthorized access, misuse, or attack, encompassing authentication, authorization, encryption, and traffic filtering mechanisms. This includes securing communication channels and validating network access.

Routing, Switching & QoS
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6since 2023
+50.0%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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6since 2023
new
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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5since 2023
new
Power Switching & Drivers

Digital logic and control circuits for managing power delivery, driving various loads (e.g., inductive, display elements), converting power, and protecting against over-voltage or electrostatic discharge. Includes gate drivers for power FETs and voltage level shifters.

Pulse / Digital Logic Circuits
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5since 2023
-66.7%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.

Computer Hardware Architecture
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4since 2023
0.0%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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3since 2023
new
Flexible/Foldable Device Structures

Engineering solutions for creating electronic devices with bendable, foldable, or stretchable form factors, often involving hinges, flexible displays, and sliding mechanisms to enable dynamic physical configurations.

Hardware Platform (Cooling, Power, Packaging)
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3since 2023
+100.0%YoY
Quantum Control Circuits

Specialized digital and mixed-signal circuits for controlling and reading out quantum bits (qubits), including generating precise modulated RF signals and integrating with photonic components for quantum operations.

Pulse / Digital Logic Circuits
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2since 2023
new
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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2since 2023
new
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.

Image ProcessingComputer Vision
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2since 2023
0.0%YoY
Power Consumption & Current Sensing

Devices and methods for accurately measuring or monitoring electrical current draw and power usage in various systems, often for control, optimization, or safety purposes.

Electrical Measurement
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2since 2023
n/a
Collaborative User Experiences

User interface designs and systems that enable multiple users to interact with shared content, provide feedback, or coordinate activities, often across different devices or locations.

Input/Output & User Interfaces
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1since 2023
new
Advanced Material Characterization

Techniques and systems for precisely measuring electrical or electromagnetic properties of materials or components, often involving specialized resonators, waveguides, or multi-range measurement systems to ensure accuracy.

Electrical Measurement
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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.

Computer Vision
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1since 2023
n/a

Patents