Company patents

AJINOMOTO CO., INC.

AJINOMOTO CO. , INC. exhibits a surprisingly diverse patent strategy beyond its core food business, with significant activity in Pharmaceutical Preparations (20.9% of portfolio) and Peptides & Proteins (14.4% of portfolio), both showing rapid growth in 2024 at +200.0% and +225.0% YoY respectively, indicating an emerging focus on biotech applications. While Foods & Beverages remains a key area (18.4% of portfolio) with strong growth in 2025 (+88.9% YoY), the company also maintains a notable presence in Printed Circuits & Electronic Assemblies (7.0% of portfolio), which saw a substantial +133.3% YoY growth in 2024, suggesting a strategic interest in materials science and electronics, despite a general decline across most categories 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.

201 US filings (since 2023) · 12 categories · 33 themes

Novel Protein & Fermentation Technologies

Methods and compositions for developing new protein sources (e.g., microbial, plant-based blends) or utilizing controlled fermentation processes to create novel food products, improve nutritional profiles, or enhance specific characteristics like texture or flavor.

Foods & Beverages
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70since 2023
-29.2%YoY
Bioprocess Development for Proteins

Methods and systems for the efficient and scalable production, purification, and formulation of proteins and peptides, including fermentation, chromatography, and cell-based expression systems.

Peptides & Proteins
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41since 2023
+7.7%YoY
Food Ingredient & Flavor System Design

Innovations in formulating food products by manipulating specific ingredients, emulsifiers, flavor compounds, or processing aids to achieve desired sensory properties (taste, aroma, texture) or enhance shelf stability.

Foods & Beverages
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23since 2023
+66.7%YoY
Functional Foods & Supplements

Development of food compositions, beverages, or powders designed to provide specific health benefits beyond basic nutrition, such as weight management, anti-aging, exercise support, or targeted disease prevention/treatment, often incorporating bioactive compounds or probiotics.

Foods & Beverages
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20since 2023
+16.7%YoY
Polymers for Electronic Devices

Synthesis and formulation of polymers, such as epoxy resins, polyimides, or ionic binders, tailored for specific functions in electronic components like sealing, insulation, or energy storage.

Polymer Synthesis (Polycondensation)
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16since 2023
-33.3%YoY
Protein & Peptide Engineering

Modification of protein or peptide sequences, structures, or post-translational modifications (e.g., glycosylation, lipidation) to enhance their stability, solubility, delivery, or therapeutic efficacy.

Peptides & Proteins
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15since 2023
-40.0%YoY
Emulsion & Stabilizer Technologies

Innovations in creating stable cosmetic formulations, particularly oil-in-water or water-in-oil emulsions, and developing novel stabilizers or rheology modifiers for desired texture, feel, and shelf-life.

Cosmetics & Personal Care Use
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14since 2023
+133.3%YoY
Antibody Engineering & Therapeutics

Design and modification of antibodies or antibody-derived fragments for targeted therapeutic intervention, including bispecific formats, Fc region modifications, and activatable constructs.

Peptides & ProteinsPharmaceutical Preparations
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14since 2023
-60.0%YoY
Advanced Food Processing Methods

Techniques and equipment for transforming raw food materials into finished products, focusing on efficiency, quality, texture modification, or specific physical alterations like extrusion, drying, or selective material removal.

Foods & Beverages
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13since 2023
+133.3%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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13since 2023
-33.3%YoY
Sulfate-Free & Mild Cleansing

Development of personal care compositions that achieve effective cleansing and conditioning benefits while avoiding harsh sulfated surfactants, often using alternative, milder surfactant systems.

Cosmetics & Personal Care Use
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11since 2023
+166.7%YoY
Plant-Based Meat/Fish Analogs

Innovations in creating food products from plant proteins and other ingredients that closely mimic the texture, appearance, and taste of traditional animal-based meat or fish, often involving specific protein structuring or layering techniques.

Foods & Beverages
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9since 2023
+33.3%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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7since 2023
-50.0%YoY
Bio-derived Chemical Production

Methods for producing organic chemicals from biomass or through fermentation processes, often focusing on carbohydrates or fatty acid derivatives for food, health, or industrial applications.

Acyclic / Carbocyclic Compounds
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7since 2023
+100.0%YoY
Enzyme Directed Evolution

Identifying novel enzymes or modifying existing enzymes through mutagenesis and directed evolution to improve catalytic activity, substrate specificity, or stability for industrial biotransformations.

Fermentation & Biosynthesis
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6since 2023
+100.0%YoY
Bioprocess Optimization and Control

Developing advanced bioreactor designs, fermentation strategies, and downstream processing techniques to optimize yield, purity, and efficiency of biotechnological production.

Fermentation & Biosynthesis
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6since 2023
+200.0%YoY
Recombinant Host Engineering

Modifying microorganisms, plant cells, or animal cells through genetic engineering to enhance or enable the biosynthesis of target compounds, often involving metabolic pathway engineering.

Fermentation & Biosynthesis
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6since 2023
-33.3%YoY
Targeted Small Molecule Therapeutics

Design and synthesis of acyclic or carbocyclic organic compounds that selectively modulate specific biological targets or pathways for the treatment of diseases.

Pharmaceutical Preparations
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6since 2023
-80.0%YoY
Phenolic Epoxy Resins

Synthesis and formulation of epoxy resins, often derived from phenolic precursors like cardanol and vanillin, for applications requiring specific thermal, mechanical, or electrical properties.

Polymer Synthesis (Polycondensation)
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6since 2023
-50.0%YoY
Biological Pest & Pathogen Control

Development and application of living organisms (e.g., bacteria, fungi, viruses) or their natural derivatives (e.g., peptides, plant extracts) as agents to suppress or eliminate agricultural pests, weeds, or plant diseases.

Biocides & Pesticides
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5since 2023
0.0%YoY
Herbicidal Active Ingredients

Innovation in chemical compounds or optimized formulations specifically designed to control or inhibit the growth of unwanted plants (weeds) in agricultural settings, often with improved selectivity or reduced environmental impact.

Biocides & Pesticides
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5since 2023
+100.0%YoY
Plant Disease Resistance Induction

Methods and compositions that stimulate a plant's natural defense mechanisms or improve its physiological resilience against pathogens, pests, or environmental stressors, rather than directly eliminating the threat.

Biocides & Pesticides
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5since 2023
new
Targeted Drug Formulation Delivery

Delivery systems specifically engineered to administer advanced drug formulations (e.g., microparticles, biologics, extended-release systems) to achieve precise targeting, controlled release kinetics, or enhanced therapeutic efficacy within the body.

Pharmaceutical Preparations
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4since 2023
0.0%YoY
Oral Care Formulations

Compositions specifically developed for maintaining oral hygiene, preventing dental issues like cavities and gingivitis, and improving cosmetic aspects such as teeth whitening.

Cosmetics & Personal Care Use
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3since 2023
new
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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3since 2023
-50.0%YoY
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 Compositions
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3since 2023
0.0%YoY
Advanced Cell & Gene Therapies

Development of therapeutic approaches involving the genetic modification of cells (e.g., T cells, stem cells, macrophages) or the use of viral/non-viral vectors to deliver genetic material for disease treatment.

Pharmaceutical PreparationsPeptides & Proteins
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2since 2023
+100.0%YoY
Hair Growth & Styling Chemistry

Chemical compositions and methods for stimulating hair growth, altering hair structure for styling (e.g., straightening, curling, dyeing), or protecting hair from environmental damage and heat.

Cosmetics & Personal Care Use
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2since 2023
new
Skin Anti-Aging & Repair Actives

Formulations and active ingredients designed to counteract signs of skin aging, such as wrinkles and hyperpigmentation, or to promote skin repair and regeneration through specific biological mechanisms.

Cosmetics & Personal Care Use
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2since 2023
0.0%YoY
Urethane/Urea Polymerization

Methods for synthesizing polyurethanes and polyureas, including non-isocyanate routes, using various monomers, catalysts, and curing agents, often for foams, coatings, or adhesives.

Polymer Synthesis (Polycondensation)
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2since 2023
new
Industrial Organic Synthesis

Methods and apparatus for the efficient and selective production of organic compounds, including amines, acids, and esters, often involving catalytic or continuous processes and purification steps.

Acyclic / Carbocyclic Compounds
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2since 2023
new
Functional Organic Materials

Synthesis and application of organic compounds designed to impart specific functionalities in material science, such as photosensitivity or charge transport, for electronic or optical devices.

Acyclic / Carbocyclic Compounds
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1since 2023
new
Advanced Delivery & Release Systems

Technologies focused on encapsulating active ingredients or fragrances to control their release, enhance their substantivity, or improve their stability and efficacy in personal care products.

Cosmetics & Personal Care Use
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1since 2023
n/a

Patents

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