Company patents
TOTO LTD.
TOTO LTD.'s patent strategy reveals a surprising and strong focus on semiconductor technologies, with Electron / Ion Tubes & Discharge and Semiconductor Manufacturing Process collectively accounting for 27.3% of its portfolio, both showing rapid growth in 2025 (185.7% and 100.0% YoY respectively), indicating an emerging priority in these advanced materials and manufacturing areas, despite a notable decline so far in 2026. Concurrently, there's a shifting priority away from Material & Chemical Analysis and Layered Products (Laminates, Films), both experiencing a 100.0% decline in patenting activity 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.
308 US filings (since 2023) · 9 categories · 17 themes
Design and control of plasma processing chambers, including heating, gas delivery, electrode configurations, and magnetic field control for uniform and efficient material processing in semiconductor manufacturing.
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.
Design and engineering of specialized components within deposition systems, such as heaters, targets, susceptors, and chamber walls, to achieve precise control over process parameters like temperature, material flux, and plasma characteristics.
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.
Systems specifically engineered to use sprayed liquids or aerosols for cleaning surfaces, removing residues, or distributing disinfectants in various environments.
Ceramic materials and components engineered for specific functional applications, such as electronics, energy storage, wear resistance, or high-temperature heating elements.
Application of protective layers to improve the durability and longevity of components by enhancing resistance to wear, oxidation, or chemical degradation in demanding operational environments.
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.
Methods and processes for fabricating ceramic matrix composites (CMCs), including preform creation, infiltration techniques, and densification to form complex shapes with enhanced properties.
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.
Innovations in nozzle internal geometry, actuation, or multi-fluid mixing to achieve specific spray patterns, droplet sizes, or performance characteristics, especially for challenging fluids or conditions.
Systems and methods for delivering radio frequency (RF) power to plasma processing chambers, including impedance matching, pulse shaping, and feedback control for stable and efficient plasma generation.
Protective layers applied to ceramic or composite substrates to enhance resistance against extreme temperatures, corrosion, or erosion in harsh operating environments.
Design and application of devices that are inserted into the body or implanted to treat diseases, modulate physiological functions, or repair anatomical structures.
Development of devices and methods for non-invasive or minimally invasive collection and analysis of physiological data, often from wearable sensors, to monitor health, activity, or specific conditions.
Systems and methods for accurately controlling the volume, location, and characteristics of sprayed fluids, often involving sensors, feedback, or specific nozzle geometries for precise application.
Spraying devices designed to handle, mix, or independently dispense multiple distinct fluid components, often with mechanisms for selection, blending, or sequential application.
Patents
Showing 1-10 of 488