Company patents
Sanoh Industrial Co., Ltd.
Sanoh Industrial Co., Ltd. demonstrates a primary focus on "Pipes & Tubing," which constitutes 29.3% of its portfolio and has seen a significant resurgence with a +50.0% YoY growth in 2026 so far, following a sharp decline in 2025. Surprisingly, despite its traditional automotive ties, the company has a substantial 26.8% of its portfolio in "Inorganic Devices (Thermoelectric, Piezo)," though this category has seen a -100.0% decline in patenting activity so far in 2026, indicating a potential shift in R&D priorities within its semiconductor-related innovations.
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.
41 US filings (since 2023) · 11 categories · 18 themes
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.
Tubes, hoses, or ducts incorporating additional components or features beyond simple fluid conveyance, such as embedded electronics (sensors, heaters), structural reinforcement, or segregated compartments for cable routing.
Couplings and fittings designed for specific fluid properties (e.g., cryogenic, chemical, medical, high-pressure) or requiring aseptic conditions, low-spill characteristics, or antimicrobial features to ensure safety and integrity.
Connectors, seals, and tubing solutions specifically designed for pipes, ducts, or conduits that deviate from standard circular cross-sections, or require flexible/collapsible forms for specific applications or installation challenges.
Systems and methods for repairing, reinforcing, or isolating existing pipes, often involving internal lining, curing processes, or sealing techniques without extensive excavation or replacement.
Mechanisms allowing rapid, secure, and often sealed attachment and detachment of pipes, tubes, or hoses, frequently featuring locking, sealing, and release components for efficient assembly and maintenance.
Processes involving the application of heat and pressure to shape thermoplastic or elastomeric materials, often using molds or presses, to achieve specific forms or material properties.
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.
Methods and equipment for continuously shaping plastic materials by forcing them through a die, often involving screw extruders, heating elements, and downstream calibration.
Design and integration of lasers and associated components specifically for transmitting data over optical fibers or through free space, including modulation schemes and efficient light coupling.
Techniques for manufacturing semiconductor laser chips, including active region design, mirror structures, current and optical confinement, and the integration of multiple layers or elements on a substrate.
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.
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.
Novel designs and configurations for heat exchangers that improve heat transfer efficiency, compactness, or enable specific phase change or separation processes within refrigeration and heat pump cycles.
Techniques and structures within heat exchangers designed to enhance heat transfer efficiency by controlling and optimizing fluid flow, including baffle arrangements, jet impingement, and condensate management.
Heat transfer devices that utilize the phase change of a working fluid (evaporation and condensation) to efficiently move heat, often incorporating capillary structures, heat pipes, or vapor chambers.
Techniques for combining multiple materials or layers, often with specialized surface treatments, coatings, or assembly methods, to create functional or aesthetically enhanced plastic articles, including consumer goods and encapsulated electronics.
Patents
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