Company patents

Tsinghua University

Tsinghua University's patent strategy reveals a surprising breadth beyond its expected computing strengths, with Material & Chemical Analysis representing its largest category at 11.1% of its portfolio. While categories like Machine Learning & AI and Power Distribution & Storage saw significant growth in 2024 (55.6% and 72.7% YoY respectively), indicating emerging focuses, the university appears to be shifting priorities as many top categories, including Material & Chemical Analysis, Machine Learning & AI, and Computer Vision, show substantial declines in patent filings so far in 2026.

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.

904 US filings (since 2023) · 12 categories · 47 themes

Advanced Security & Inspection Systems

Systems employing various sensing modalities, including X-ray, fiber optics, ground-penetrating radar, and image analysis, for detecting threats, monitoring perimeters, and inspecting objects in security or transportation contexts.

Geophysics & Gravity Measurement
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76since 2023
-44.4%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.

Material & Chemical Analysis
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51since 2023
-60.0%YoY
Power Systems with Energy Storage & Grid Interaction

Integration of power converters with energy storage devices (batteries, supercapacitors) or grid interfaces, often involving AC/DC conversion, power flow management, and fault handling for hybrid power systems or specific applications like EVs or PV.

Power Distribution & Storage
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38since 2023
+8.3%YoY
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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21since 2023
-37.5%YoY
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.

Computer Vision
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20since 2023
+20.0%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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19since 2023
-33.3%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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17since 2023
0.0%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 Vision
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17since 2023
-42.9%YoY
Advanced Optical Imaging & Lens Design

Development of sophisticated optical lens assemblies and computational methods to achieve high-resolution, precise, or specialized imaging, often for medical or scientific applications.

Optical Elements & Systems
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16since 2023
0.0%YoY
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.

Power Distribution & Storage
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13since 2023
+25.0%YoY
Nucleic Acid-Based Therapies

Therapeutic strategies employing nucleic acids (DNA, RNA, oligonucleotides) to modulate gene expression, deliver genetic material, or interfere with disease-causing pathways. Includes gene therapy using viral vectors.

Pharmaceutical Preparations
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13since 2023
0.0%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
-71.4%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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12since 2023
+100.0%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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11since 2023
+150.0%YoY
Advanced Cell & Gene Therapies

Development of therapeutic approaches involving the genetic modification of cells (e.g., T cells, stem cells, macrophages) or the use of viral/non-viral vectors to deliver genetic material for disease treatment.

Pharmaceutical Preparations
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11since 2023
-33.3%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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10since 2023
+50.0%YoY
Antibody Engineering & Therapeutics

Design and modification of antibodies or antibody-derived fragments for targeted therapeutic intervention, including bispecific formats, Fc region modifications, and activatable constructs.

Pharmaceutical PreparationsMaterial & Chemical Analysis
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9since 2023
+20.0%YoY
Component Performance Optimization

Using computational design and simulation to optimize the performance characteristics of specific components or materials within a larger engineering system.

Electronic Design Automation (CAD/EDA)
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9since 2023
-66.7%YoY
Wireless Power Transfer Systems

Systems and methods for transferring electrical energy without physical contact, often utilizing inductive or resonant coupling, including antenna design, resonance tracking, and control mechanisms for efficient power delivery.

Power Distribution & Storage
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8since 2023
+66.7%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.

Image ProcessingComputer Vision
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8since 2023
-60.0%YoY
Battery Material Recovery

Processes and apparatus for disassembling spent batteries and recovering valuable materials (e.g., metals, electrolytes, plastics) through mechanical, chemical, or electrochemical methods for reuse or sustainable disposal.

Batteries & Fuel Cells
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7since 2023
+200.0%YoY
Precise Positioning & Localization

Methods and systems for accurately determining the absolute or relative position of an object or device, often integrating satellite navigation (GNSS), inertial measurement units (IMU), and local ranging or wireless communication technologies.

Radar / Sonar / Lidar
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7since 2023
+200.0%YoY
Lithium Battery Anode Materials

Active anode materials and manufacturing techniques for rechargeable lithium-ion batteries, including silicon-carbon composites, graphite, lithium-metal anodes, and electrode coating processes that improve capacity, cycle life, and rate capability.

Batteries & Fuel Cells
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7since 2023
0.0%YoY
Targeted Small Molecule Therapeutics

Design and synthesis of acyclic or carbocyclic organic compounds that selectively modulate specific biological targets or pathways for the treatment of diseases.

Pharmaceutical Preparations
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7since 2023
-50.0%YoY
Magnetic Field Detection

Use of magnetostatic or vector magnetometers and associated processing for detecting objects, mapping magnetic fields, or determining position and orientation in various applications.

Geophysics & Gravity Measurement
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7since 2023
-50.0%YoY
Photonic Integration & Interconnects

The design and manufacturing of integrated circuits that combine optical and electronic components, particularly for high-speed data communication between processors and memory.

Optical Elements & Systems
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6since 2023
+300.0%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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6since 2023
0.0%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 & AI
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6since 2023
-75.0%YoY
Battery Electrode Coating & Slurry

Slurry compositions and coating processes for battery electrodes, including binder/active-material slurries, surface coating layers, and electrode-to-foil adhesion for cathode and anode.

Batteries & Fuel Cells
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6since 2023
-50.0%YoY
Battery Management Systems

Software, algorithms, and associated hardware for monitoring, controlling, and optimizing battery performance, safety, and lifespan, including charge/discharge cycles, thermal regulation, and system integration.

Batteries & Fuel Cells
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5since 2023
+200.0%YoY
Modular & Hybrid Power Supply Systems

Design and control of power supply architectures that combine multiple power sources (e.g., AC grid, DC battery, generators) or modular battery units, often featuring switching, conversion, and redundancy for enhanced reliability and flexibility.

Power Distribution & Storage
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5since 2023
new
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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5since 2023
-50.0%YoY
Metasurface & Diffractive Optics

Engineering of artificial subwavelength structures (meta-atoms) to create metasurfaces that manipulate light properties (phase, polarization, wavelength) for multi-functional optical devices.

Optical Elements & Systems
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5since 2023
0.0%YoY
Advanced Radar/Lidar Hardware

Innovations in the physical components and architectures of radar, lidar, and sonar systems, including antenna design, RF signal generation, beam steering mechanisms, and optical elements for improved performance.

Radar / Sonar / Lidar
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4since 2023
new
Interventional & Implantable Therapies

Design and application of devices that are inserted into the body or implanted to treat diseases, modulate physiological functions, or repair anatomical structures.

Medical Diagnostics & Surgery
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4since 2023
new
Solid-State Battery Manufacturing

Process and equipment for producing solid-state battery cells, including solid electrolyte synthesis (sulfide/oxide/polymer), thin-film deposition, lamination, sintering, dry-electrode fabrication, and stacking under controlled atmosphere.

Batteries & Fuel Cells
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4since 2023
+100.0%YoY
Optical Fiber Sensing Systems

Systems and methods that utilize optical fibers as sensing elements or for transmitting sensing signals, often for distributed monitoring of environmental conditions, phase changes, or integrating sensing with communication.

Optical Elements & Systems
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4since 2023
0.0%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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3since 2023
-50.0%YoY
Battery Pack Mechanical Design

Focuses on the structural integrity, housing, mounting, and physical integration of battery cells into robust and protected packs within electric vehicles, including manufacturing considerations.

Batteries & Fuel Cells
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3since 2023
0.0%YoY
Targeted Drug Formulation Delivery

Delivery systems specifically engineered to administer advanced drug formulations (e.g., microparticles, biologics, extended-release systems) to achieve precise targeting, controlled release kinetics, or enhanced therapeutic efficacy within the body.

Pharmaceutical Preparations
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2since 2023
new
Solar Power Integration & Applications

Systems that incorporate solar panels as a primary or auxiliary power source for various applications, including visual displays, remote devices, and portable battery charging, often emphasizing efficiency and adaptability.

Power Distribution & Storage
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2since 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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2since 2023
new
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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2since 2023
new
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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1since 2023
n/a
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.

Image ProcessingComputer Vision
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1since 2023
n/a
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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1since 2023
n/a
Electronic System Layout & Integration

Automated methods and tools for generating, optimizing, and verifying the physical layout and interconnections of electronic components, including integrated circuits, printed circuit boards, and system-level interface protection.

Electronic Design Automation (CAD/EDA)
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1since 2023
n/a

Patents

Showing 1-10 of 1689

Page 1 of 169
US 20260177450 A1APPLICATION
G01M7/06

TEST DEVICE FOR SEALING MATERIAL UNDER COMPLEX VIBRATION

Filed:2025-02-13Pub:2026-06-25
Applicant:Tsinghua University

The present application relates to the field of test devices, and in particular to a test device for sealing material under complex vibration. The test device includes a test body, a vibration component, and a test assembly. The test body includes a test cylinder and a cover body, where a test cavity is provided inside the test cylinder, the cover body is used to close the test cavity, and a seal to be tested is provided between the cover body and the test cylinder; the vibration component includes a vibration platform and a multi-stage vibration mechanism, where the vibration platform is suitable for being fixed to a preset mount position, the test cylinder is embedded in the vibration platform, the multi-stage vibration mechanism is connected to the vibration platform, and is suitable for simulating multi-stage vibration conditions by driving the test cylinder through the vibration platform; and the test assembly includes sensors and a control component, where the sensors are electrically connected to the control component, and the sensors are used to monitor sealing performance of the test cavity and feed back corresponding monitored information to the control component. The test device may be used to simulate use states of a seal under complex working conditions to verify the reliability and stability of the seal under complex vibration conditions.