Company patents
NITTO BOSEKI CO., LTD.
NITTO BOSEKI CO., LTD. demonstrates a clear focus on materials, with Glass & Glass-Ceramics (44.8% of portfolio) and Polymer Working & Compounding (37.3%) dominating its patent strategy. Surprisingly, despite a strong historical emphasis on these core material categories, the company showed an emerging focus in Genetic & Microbiological Assays, experiencing a remarkable 300% year-over-year growth in 2025, though patenting in this area has paused 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.
67 US filings (since 2023) · 11 categories · 20 themes
Polymer compositions incorporating inorganic or organic filler materials to impart specific functional properties such as thermal conductivity, flame retardancy, electrical conductivity, or enhanced mechanical strength and dimensional stability.
Novel glass formulations, often doped with rare-earth elements or specific metal oxides, designed to achieve desired optical properties such as refractive index, light transmittance, polarization, or amplification.
Manufacturing and processing techniques for producing ultra-thin glass articles, often with enhanced flexibility and mechanical properties, suitable for use as substrates in electronic displays, foldable devices, or other advanced electronics.
Application of coatings, layers, or chemical treatments to the surface of glass articles to impart specific functionalities such as UV blocking, anti-whitening, hydrophobicity, or adhesion for subsequent layers.
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.
Development of specific glass compositions, such as phosphate glasses, for use as active materials or electrolytes in energy storage devices like metal-ion accumulators and batteries.
Methods for producing glass-ceramic articles through controlled nucleation and crystallization processes, often involving specific thermal treatments to achieve desired microstructures and properties like strength or dimensional stability.
Methods and tooling for forming structural components from fibrous materials impregnated with resin, involving processes like prepreg handling, resin infusion, and co-bonding during curing.
Polymer compositions engineered for enhanced heat resistance, thermal stability in molten states, or improved processability at high temperatures, often involving specific copolymers, blends, or stabilizing additives for applications in electronics or automotive.
Identification and measurement of specific nucleic acid sequences (DNA, RNA), their expression levels, or epigenetic modifications (e.g., methylation) as indicators for disease presence, progression, risk, or treatment response.
Manufacturing processes and material compositions for creating electronic circuits on flexible or conformable substrates, enabling novel form factors, enhanced durability, and new applications beyond rigid PCBs.
Methods and reagents designed to improve the specificity, efficiency, or yield of nucleic acid capture, ligation, amplification, or library preparation steps, particularly for sequencing applications or quantitative analysis.
Glass articles treated with ion exchange or other chemical processes to induce a surface compressive stress layer, enhancing mechanical strength, scratch resistance, and impact toughness.
Assays leveraging CRISPR-Cas systems (e.g., Cas12, Cas13) for highly specific and sensitive detection of target nucleic acids, often involving collateral cleavage activity or reporter molecules.
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.
Multi-layered materials incorporating fiber layers (e.g., carbon, non-carbon, fabric, mesh) within a polymer or ceramic matrix to achieve enhanced mechanical properties such as strength, stiffness, impact resistance, or tailored hardness for demanding structural applications.
Polymer compositions tailored for medical and biological applications, including implantable devices, drug delivery systems, and diagnostic tools, emphasizing properties like biocompatibility, hydrolysis resistance, optical clarity, and specific mechanical characteristics.
Methods and materials used to construct robust and protective enclosures for electronic devices, focusing on structural integrity, impact resistance, thermal dissipation, and specialized material properties for enhanced durability.
Techniques for manufacturing thin polymer layers, sheets, or multi-layer structures, often optimized for specific properties such as flexibility, barrier function, filtration, or mechanical strength.
Novel methods and reactor designs for polymer synthesis, focusing on improving efficiency, achieving continuous production, or controlling specific polymer architectures and product morphologies like particle size or sheet formation.
Patents
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Advanced Polymerization Processes