Company patents

SHIN-ETSU HANDOTAI CO., LTD.

SHIN-ETSU HANDOTAI CO., LTD. demonstrates a clear focus on core semiconductor technologies, with "Semiconductor Manufacturing Process" accounting for 46.6% of its portfolio. While patenting in this area saw a significant decline of -76.2% so far in 2026, the company is surprisingly showing an emerging focus on "Semiconductor Diodes & Transistors" with a 75.0% YoY growth in 2026, and "Light-Emitting Devices (LEDs)" with a 100.0% YoY growth in 2026, suggesting a strategic shift towards specific device types and display technologies.

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.

161 US filings (since 2023) · 12 categories · 25 themes

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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67since 2023
-23.1%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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31since 2023
-46.2%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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19since 2023
0.0%YoY
Post-Processing Cleaning & Conditioningfiltered

Methods and apparatus for cleaning polishing pads, dressers, chamber components, or finished substrates to remove residues, debris, or contaminants, often involving specialized nozzles, fluids, or mechanical actions.

Grinding & Polishing
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19since 2023
-33.3%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 ProcessCoating & Surface Treatment
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16since 2023
+600.0%YoY
LED Epitaxial Layer Engineering

Development and optimization of the semiconductor material layers and their interfaces within an LED to control light emission properties, manage internal stress, and improve device efficiency.

LED & Optoelectronics (Legacy CPC)
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15since 2023
-40.0%YoY
Wafer Bonding & Stacked Device Inspection

Inspection and testing methods specifically designed for wafers before, during, or after bonding processes, including verification of bonding surfaces, alignment, and defect detection in multi-wafer or stacked die assemblies.

Semiconductor Testing
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13since 2023
0.0%YoY
Micro-LED Array Fabrication

Methods and structures for mass-producing and assembling arrays of micro-LEDs onto a substrate, including transfer processes, bonding techniques, and defect management.

Light-Emitting Devices (LEDs)LED & Optoelectronics (Legacy CPC)
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13since 2023
+300.0%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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13since 2023
-75.0%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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10since 2023
+50.0%YoY
Advanced LED Device Structures

Innovations in the internal design of individual light-emitting diode chips or packages, focusing on semiconductor layer arrangements, electrode configurations, reflective elements, and light extraction features.

Light-Emitting Devices (LEDs)
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10since 2023
+200.0%YoY
Wafer Handling and Process Environment Control

Systems and methods for automated substrate transport, precise positioning, temperature regulation, and chamber environment management to ensure process stability, uniformity, and yield in semiconductor manufacturing.

Semiconductor Manufacturing Process
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8since 2023
-50.0%YoY
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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6since 2023
+100.0%YoY
Optical & Image-based Metrology

Utilizing optical systems, cameras, and image processing algorithms for precise measurement of physical dimensions, alignment, defects, and features on semiconductor wafers or packages.

Semiconductor Testing
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5since 2023
0.0%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.

Material & Chemical Analysis
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5since 2023
-66.7%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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4since 2023
-66.7%YoY
Deep Ultraviolet LED Technology

Specialized design and fabrication of light-emitting diodes specifically engineered to produce light in the deep ultraviolet (DUV) spectrum, often for applications like sterilization or curing.

LED & Optoelectronics (Legacy CPC)
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4since 2023
n/a
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 & Transistors
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3since 2023
new
LED Optical Extraction & Light Management

Optical structures and lens designs that improve light extraction efficiency from LED dies and modules, including diffractive films, micro-lens arrays, reflectors, and color-conversion layers.

Light-Emitting Devices (LEDs)
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3since 2023
new
Specialized Abrasive & Deburring Tools

Design and application of abrasive tools and deburring heads tailored for specific geometries, materials, or access constraints, including flexible, expandable, or multi-component designs for precision finishing.

Grinding & Polishing
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2since 2023
new
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 Packaging & Encapsulation
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2since 2023
new
Automated Grinding & Polishing Systems

Integration of robotics, sensors, and control systems to automate the grinding, polishing, or deburring process, including workpiece handling, tool adjustment, and system maintenance for improved efficiency and precision.

Grinding & Polishing
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1since 2023
new
Package Thermal Management

Integrated solutions for dissipating heat generated by high-density semiconductor devices within the package, including embedded cooling structures, cold plates, and optimized fluidic channels.

Semiconductor Manufacturing ProcessSemiconductor Packaging & Encapsulation
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1since 2023
new
CMP Pad & Slurry Chemistry

Focuses on the chemical and physical properties of polishing slurries and the design of polishing pads, including their material composition, groove patterns, and thermal characteristics, to optimize chemical-mechanical planarization processes.

Grinding & Polishing
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1since 2023
n/a
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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1since 2023
n/a

Patents

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