Company patents
KCTECH CO., LTD.
KCTECH CO., LTD. shows a surprising shift in its patent strategy, with a significant decline in its core Semiconductor Manufacturing Process patents, which represent 37.9% of its portfolio, experiencing a -90.0% YoY drop so far in 2026 after a +233.3% surge in 2025. Concurrently, Functional Materials (LCD, Lubricants) emerged as a rapidly growing focus in 2025 with a +300.0% YoY increase, despite a -75.0% decline so far in 2026, indicating a dynamic and potentially volatile innovation landscape for the company.
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.
66 US filings (since 2023) · 8 categories · 13 themes
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.
Abrasive slurry compositions used in semiconductor manufacturing for planarizing wafer surfaces, typically containing abrasive particles and chemical additives to achieve specific material removal rates and selectivity.
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.
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.
Specialized cleaning techniques and apparatus designed for removing microscopic contaminants, residues, or films from sensitive substrates, such as semiconductor wafers or flat panel displays, often involving chemical, mechanical, or plasma-based methods.
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.
Formulated liquid compositions designed for specific industrial applications, such as non-flammable cleaning, thermal management in electronics, or as low-viscosity, high-flash-point base fluids.
Technologies for removing contaminants from critical surfaces of sensors, vehicle parts, or industrial components, often involving automated or semi-automated processes. This can include physical, acoustic, or fluid-based methods to maintain functionality.
Mixtures of liquid crystal compounds and other additives, such as monomers or carbon black, designed to achieve specific optical, electrical, or physical properties for use in liquid crystal displays (LCDs) or other electro-optical devices.
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.
Techniques and devices for measuring, monitoring, and controlling the surface topography, film thickness, or other characteristics of a workpiece during or after grinding/polishing to achieve specific finish requirements.
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.
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.
Patents
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