Company patents
TOYO SEIKAN GROUP HOLDINGS, LTD.
TOYO SEIKAN GROUP HOLDINGS, LTD. surprisingly shows a strong emerging focus in Bioreactors / Cell Culture Apparatus, which represents 22.7% of its portfolio and saw a significant 71.4% year-over-year growth in 2025, despite a partial decline so far in 2026. This contrasts with a shifting priority in Polymer Additives, which declined by 66.7% in 2025 and saw a 100.0% decline so far in 2026, indicating a strategic pivot away from certain polymer-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.
110 US filings (since 2023) · 11 categories · 18 themes
Multi-layer polymer films engineered to provide superior barrier properties against gases (e.g., oxygen), moisture, or aromas, often incorporating heat-sealing or resealing mechanisms for food and product preservation.
Techniques and apparatus for cultivating cells in three-dimensional structures, including organoids, tissue models, and scaffolds, often involving microfluidics, specialized matrices, or mechanical stimulation to mimic in vivo conditions.
Development of novel materials, surface patterns, or structural supports designed to enhance cell adhesion, proliferation, differentiation, or tissue formation, including hydrogels and patterned surfaces.
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.
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.
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 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.
Systems and methods for automated monitoring and dynamic adjustment of environmental parameters (e.g., pH, temperature, oxygen, nutrients) and fluid handling within bioreactors to optimize cell/tissue growth or product synthesis.
Thin, multi-layered films and structures specifically designed for electronic applications, including flexible substrates for devices, display panel components, and active material layers for battery electrodes.
Development and application of polymer compositions designed for reprocessability, recyclability, or incorporating sustainable additives, often featuring reversible bonds or bio-based components.
Synthesis and modification of high-performance thermoplastic polymers, such as poly(arylene ether ketone) (PAEK) or polycarbonates, to achieve enhanced thermal stability, mechanical strength, or specific processing characteristics.
Containers or packaging components featuring active mechanisms for controlled release, preparation, or delivery of their contents, such as liquids, bulk materials, volatile compounds, or single-serve portions.
Additives or compositions specifically formulated for surface application or modification to impart protective, decorative, or specialized functional properties to polymer products.
Technologies focused on enhancing the stability, efficacy, spread, or targeted application of biocidal active ingredients through specialized carriers, adjuvants, encapsulation, or physical forms (e.g., gels, spray-dried particles).
Methods and apparatus specifically tailored for the expansion, differentiation, or genetic modification of cells for therapeutic applications (e.g., CAR T cells, progenitor cells) or for the production of specific biological products (e.g., cultured fat, RNA).
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.
Synthesis and modification of polysiloxane polymers to introduce specific functional groups or structures, enhancing properties for applications like composites, coatings, biomedical uses, or powder treatment.
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.
Patents
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