Company patents

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES ALTERNATIVES

COMMISSARIAT A L'ENERGIE ATOMIQUE ET AUX ENERGIES AL TERNATIVES shows a diversified patent strategy, with a notable focus on Material & Chemical Analysis (10.5% of portfolio) and Semiconductor Manufacturing Process (8.7%). While several categories like Integrated Circuit Layout & Arrangement and Photovoltaic Cells (Legacy CPC) have seen significant declines in 2026 so far, an emerging focus is evident in Optical Elements & Systems, which has seen a substantial 66.7% year-over-year growth in 2026, indicating a potential shift in R&D priorities.

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.

1,224 US filings (since 2023) · 12 categories · 52 themes

Resistive & Phase Change Memory

Development of memory cells utilizing resistive switching or phase-change materials, including novel material compositions, multi-layered structures, and integration with selector devices like bipolar junction transistors, to achieve non-volatile storage.

Inorganic Devices (Thermoelectric, Piezo)
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82since 2023
-13.3%YoY
Novel Memory Transistor Architectures

Design and operation of transistors optimized for memory applications, including floating body devices, ferroelectric FETs (FeFETs), vertical TFTs for 3D arrays, and charge-trapping memory cells.

Transistor & Device Structure
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60since 2023
-13.6%YoY
Semiconductor Device Manufacturing Processes

Techniques and methodologies for fabricating semiconductor devices, including etching, deposition, annealing, isolation, and doping steps, aimed at improving yield, performance, or enabling new structures.

Transistor & Device Structure
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55since 2023
-31.8%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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47since 2023
-50.0%YoY
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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46since 2023
-33.3%YoY
Advanced Metallization & Contacts

Novel materials and processes for forming low-resistance electrical contacts and interconnects within semiconductor devices, including selective deposition, silicidation, and barrier layers for improved performance and scaling.

Semiconductor Diodes & Transistors
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43since 2023
-7.1%YoY
Gate Stack & Dielectric Engineering

Advanced techniques for forming and optimizing gate dielectrics, work function layers, and other dielectric layers within transistor structures to improve performance, reliability, and scaling.

Semiconductor Diodes & TransistorsTransistor & Device Structure
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41since 2023
+171.4%YoY
3D Die Stacking & Vertical Interconnects

Techniques for stacking multiple semiconductor dies or active layers vertically to achieve higher density and shorter interconnections, often utilizing through-silicon vias (TSVs) or other vertical conductive paths like through-hole electrodes.

Semiconductor Diodes & Transistors
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38since 2023
-8.3%YoY
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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35since 2023
+36.4%YoY
Superconducting & Quantum Devices

Devices leveraging superconductivity or quantum phenomena for applications such as quantum computing, high-efficiency power transmission, or sensitive detection, including materials like graphene Josephson junctions and quantum bits.

Inorganic Devices (Thermoelectric, Piezo)
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34since 2023
+133.3%YoY
Gate-All-Around Transistors

Focuses on the design and manufacturing of transistors where the gate material fully encircles the channel, often using nanosheets or fins, to improve electrostatic control and reduce short-channel effects.

Semiconductor Diodes & Transistors
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28since 2023
+33.3%YoY
Magnetic Resonance Sensing

Methods and apparatus for measuring magnetic fields or utilizing magnetic resonance principles for medical diagnostics, material analysis, or precise localization, including gradient field measurement in MRI.

Electrical Measurement
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28since 2023
+11.1%YoY
Image Sensor Pixel & Array Design

Layout, material composition, and structural arrangement of photoelectric conversion elements and associated circuitry within image sensor arrays, including infrared detectors and back-side illuminated structures.

Integrated Circuit Layout & Arrangement
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27since 2023
-50.0%YoY
Optical & Surface Engineering for PV

Techniques for optimizing light capture, transmission, and internal reflection within photovoltaic devices, including surface texturing, anti-reflection coatings, and light concentration or redistribution.

Photovoltaic Cells (Legacy CPC)
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27since 2023
-62.5%YoY
Advanced PV Cell Materials & Architectures

Focuses on novel semiconductor materials, heterostructures, and doping profiles to improve photovoltaic conversion efficiency, stability, and spectral response.

Photovoltaic Cells (Legacy CPC)
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25since 2023
+300.0%YoY
Advanced Transistor Device Architectures

Structural innovations in individual transistors, such as fin-based field-effect transistors (FinFETs), 3D gate structures, or multi-layer active regions, aimed at improving performance or density.

Integrated Circuit Layout & Arrangement
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25since 2023
-73.3%YoY
Integrated Circuit Interconnect & Layout Optimization

Techniques for designing and fabricating the conductive pathways (interconnects) and their contacts between different components within an integrated circuit, focusing on density, reliability, and performance.

Integrated Circuit Layout & Arrangement
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22since 2023
-55.6%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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21since 2023
-57.1%YoY
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.

Photovoltaic Cells (Legacy CPC)
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19since 2023
+200.0%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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19since 2023
+50.0%YoY
Temporary Wafer Bonding & Debonding

Methods for temporarily attaching a wafer or substrate to a carrier for thinning, dicing, or other processing, followed by controlled debonding, often using light-sensitive resins, temporary adhesives, or roughened interfaces.

Semiconductor Manufacturing Process
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19since 2023
+66.7%YoY
PV Module Interconnection & Reliability

Methods and components for electrically connecting photovoltaic cells within a module and ensuring long-term reliability, including busbar designs, bypass diodes, and flexible module assembly techniques.

Photovoltaic Cells (Legacy CPC)
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19since 2023
-60.0%YoY
Advanced Material Integration

Incorporation of novel semiconductor, dielectric, or metallic materials into transistor structures to achieve enhanced performance, new functionalities, or specific device characteristics.

Transistor & Device Structure
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17since 2023
-66.7%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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16since 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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15since 2023
-33.3%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 CellsElectrical Measurement
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14since 2023
+25.0%YoY
Piezoelectric Transducers & Films

Focuses on the design, fabrication, and application of piezoelectric materials and devices for sensing, actuation, or wave generation, including material properties, single crystal growth, and protective layers.

Inorganic Devices (Thermoelectric, Piezo)
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13since 2023
+400.0%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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12since 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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11since 2023
0.0%YoY
Conformal & Selective Film Deposition

Methods for depositing thin films with controlled conformality, thickness, and material properties, including selective deposition on specific areas, often using atomic layer deposition (ALD), chemical vapor deposition (CVD), or epitaxial growth.

Semiconductor Manufacturing Process
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11since 2023
-33.3%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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9since 2023
-25.0%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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9since 2023
+50.0%YoY
FinFET & Multigate Device Fabrication

Manufacturing processes and structural designs for transistors utilizing fin-shaped channels or multiple gates (e.g., FinFETs, Gate-All-Around FETs) to enhance gate control and reduce short-channel effects.

Transistor & Device Structure
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9since 2023
0.0%YoY
Wide Bandgap Power Devices

Development and manufacturing of semiconductor devices using wide bandgap materials like Silicon Carbide (SiC) or Gallium Nitride (GaN) for high-power, high-frequency, or high-temperature applications.

Semiconductor Diodes & Transistors
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9since 2023
-33.3%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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8since 2023
+300.0%YoY
Advanced Etching & Patterning Control

Techniques for precise material removal, pattern shaping, and controlling etch selectivity or uniformity, often involving plasma, wet chemistry, or directed beams to achieve desired features on semiconductor substrates.

Semiconductor Manufacturing Process
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7since 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.

Machine Learning & AI
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7since 2023
+200.0%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.

Radar / Sonar / Lidar
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7since 2023
+200.0%YoY
Backside Contact & Interconnects

Techniques for forming electrical contacts, vias, and interconnects to semiconductor devices, including advanced methods like contact-over-active-gate (COAG) and backside contacts for improved density and performance.

Transistor & Device Structure
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6since 2023
-75.0%YoY
Thermoelectric Cooling & Power Generation

Design and integration of thermoelectric modules for converting heat into electricity (power generation) or using electricity for cooling/heating, often involving p-type/n-type semiconductor pellets and waste heat recovery.

Inorganic Devices (Thermoelectric, Piezo)
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5since 2023
new
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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5since 2023
new
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.

Material & Chemical Analysis
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5since 2023
-50.0%YoY
In Vitro Disease Modeling & Cell Engineering

Development and use of engineered biological systems, such as organ-on-a-chip devices, dynamic hydrogels, or genetically modified cells, to mimic physiological conditions, study disease mechanisms, screen compounds, or develop cell-based therapies.

Material & Chemical Analysis
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5since 2023
-66.7%YoY
Wearable Display Optics

Optical systems and components specifically designed for head-mounted displays, augmented reality (AR) glasses, and virtual reality (VR) headsets, focusing on image projection, waveguide integration, and display durability.

Optical Elements & Systems
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5since 2023
-50.0%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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5since 2023
new
Motor System Fault Detection

Methods and systems for identifying anomalies, failures, or impending issues within electric motors or their associated drive and power management circuits, often by monitoring electrical or operational parameters.

Electrical Measurement
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3since 2023
-50.0%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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3since 2023
new
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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3since 2023
n/a
EV Thermal Management Systems

Systems designed to manage the temperature of multiple components in electric or hybrid vehicles, such as batteries, electric motors, power electronics, and the passenger cabin, often using shared or interconnected cooling/heating circuits.

Batteries & Fuel Cells
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2since 2023
0.0%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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2since 2023
n/a
Chemical Mechanical Planarization & Wet Surface Treatment

Processes involving chemical and mechanical forces to planarize surfaces (CMP) or wet chemical treatments for cleaning, etching, or material removal, often utilizing specialized compositions, nozzles, or fluid management systems.

Semiconductor Manufacturing Process
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1since 2023
new
Obstacle & Anomaly Detection

Techniques used by sensing systems to identify the presence, location, and characteristics of objects or unusual conditions in an environment, including methods to suppress false positives or 'ghost' detections.

Radar / Sonar / Lidar
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1since 2023
n/a

Patents

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