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 Composites with Functional Fillers

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.

Polymer Working & CompoundingPolymer AdditivesPolymer Compositions
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34since 2023
+55.6%YoY
Optical Glass Compositions

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.

Glass & Glass-Ceramics
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27since 2023
+11.1%YoY
Thin & Flexible Glass Substrates

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.

Glass & Glass-Ceramics
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11since 2023
0.0%YoY
Glass Surface Functionalization

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.

Glass & Glass-Ceramics
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10since 2023
+50.0%YoY
Advanced Biomarker Detection Assays

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.

Material & Chemical Analysis
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9since 2023
+200.0%YoY
Glass for Energy Storage

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.

Glass & Glass-Ceramics
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9since 2023
0.0%YoY
Glass-Ceramic Formation

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.

Glass & Glass-Ceramics
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7since 2023
-80.0%YoY
Fiber Composite Layup & Curing

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.

Plastics Shaping & Molding
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6since 2023
+100.0%YoY
High-Performance Thermally Stable Resins

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.

Polymer Compositions
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6since 2023
+100.0%YoY
Molecular Biomarkers for Disease

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.

Genetic & Microbiological Assays
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5since 2023
+300.0%YoY
Flexible and Printed Circuitry

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.

Printed Circuits & Electronic Assemblies
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4since 2023
+100.0%YoY
Nucleic Acid Capture & Prep

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.

Genetic & Microbiological Assays
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4since 2023
0.0%YoY
Chemically Strengthened Glass

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.

Glass & Glass-Ceramics
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4since 2023
n/a
CRISPR-based Nucleic Acid Detection

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.

Genetic & Microbiological Assays
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3since 2023
new
Multi-material Product Integration & Finishing

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.

Plastics Shaping & Molding
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3since 2023
new
Fiber-Reinforced Structural Composites

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.

Layered Products (Laminates, Films)
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2since 2023
new
Biomedical Polymer Formulations

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.

Polymer Synthesis (Polymerization)
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2since 2023
0.0%YoY
Device Enclosure & Material Engineering

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.

Printed Circuits & Electronic Assemblies
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2since 2023
n/a
Polymer Film and Membrane Fabrication

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.

Polymer Working & Compounding
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1since 2023
n/a
Advanced Polymerization Processes

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.

Polymer Synthesis (Polymerization)
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1since 2023
n/a

Patents

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