Denka Company Limited

Japan


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Total IP 2,580
Total IP incl. subs 2,709 (+ 134 for subs)
Total IP Rank # 502
IP Activity Score 4/5.0    2,400
IP Activity Rank # 279
IP AS incl. subs 3.8/5.0    2,407
Stock Symbol
ISIN JP3549600009
Market Cap. 312159336000.0  (JPY)
Industry Chemicals
Sector Basic Materials
Dominant Nice Class Chemical and biological material...

Patents

Trademarks

784 54
35 23
1,591 81
12
 
Last Patent 2025 - Resin composition, molded articl...
First Patent 2003 - Method of quantifying cholestero...
Last Trademark 2024 - DENKA POWER CSA
First Trademark 1971 - TOYOKALON

Subsidiaries

7 subsidiaries with IP (129 patents, 5 trademarks)

2 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Fiber for artificial hair and hair ornament product. The present invention addresses the problem ...
Invention Resin composition, molded article, and multilayer sheet. Provided are a resin composition having ...
Invention Γ-2cao∙sio2-containing fired product and method for producing same. 22322323233 is 20.00 mass% or...
Invention Γ-2 cao∙sio2-containing fired product and method for producing same. 2232322323233 is 25.00 mass%...
Invention Chloroprene-based polymer, chloroprene-based polymer latex, chloroprene-based polymer latex compo...
Invention Stretch film. This stretch film contains a polyvinyl chloride-based resin, an adipic acid-based p...
Invention Styrene-based resin composition, light guide plate, and edge-lit type surface light source unit. ...
Invention Thermally conductive sheet. A thermally conductive sheet containing: an epoxy resin A having a pr...
Invention Thermally conductive sheet. A thermally conductive sheet comprising an epoxy resin A and a therma...
Invention Block copolymer composition, heat-shrinkable film, and container. The present invention provides ...
Invention Pellet, film, and method for producing pellet. Provided is a pellet which is composed of a block ...
Invention Fluorescent body powder and light-emitting device. 1-x-yxy33 in which 0≤x<1, 00 a...
Invention Co2 absorbing and solidifying material and cement composition. 22 absorbing and solidifying mater...
Invention Emitter. An emitter (1) comprises: an electron source (2); and a heater (3) for heating the elect...
Invention Fluoride fluorescent material particle, composite material, light-emitting device, and method for...
2024 Invention Additive manufactured article and method for producing additive manufactured article. Provided ar...
Invention Recombinant vector for use in production of target sequence having polymorphic nucleotide incorpo...
Invention Method for producing genomic dna as reference substance for calibration used in analysis of mutat...
Invention Resin composition and laminated molded article. Provided is a resin composition capable of produc...
Invention Agent containing polypeptide comprising amino acid sequence corresponding to hla-dr-binding epito...
Invention Magnesium oxide powder, method for producing same, mixed powder, and resin composition. Provided ...
Invention Fiber for artificial hair, hair ornament, and method for producing fiber for artificial hair. The...
Invention Agent for improving agglutination reaction, method for improving target antigen measurement metho...
Invention Positive electrode composition, coating solution for positive electrode formation, positive elect...
Invention Method for measuring target antigen, and antibody, insoluble particles and target antigen measure...
Invention Chloroprene polymer latex composition, dip-molded article formation composition, and dip-molded a...
Invention Chloroprene-based polymer latex composition and adhesive composition. Provided are: a chloroprene...
Invention Rubber composition, crosslinked product thereof, and method for producing acrylic rubber. The rub...
Invention Expandable composition and expandable admixture. The purpose of the present invention is to provi...
Invention Ce-activated α-sialon phosphor and method for producing same. A Ce-activated α-sialon phosphor wh...
Invention Fire spread prevention material, battery pack, and automobile. [Problem] To provide a fire spread...
Invention Road-lighting device. Provided is a road-lighting device comprising a light-emitting module (12) ...
Invention Lighting device. A lighting device comprises: a light source unit having a light-emitting module ...
Invention Organic calcium acid, additive composition, and cement composition. The purpose of the present in...
Invention Carbon black, and method for assessing or selecting carbon black. This carbon black includes a pl...
Invention Ammonia-generating agent and method for producing ammonia-generating agent. [Problem] To provide ...
G/S Industrial chemicals; chemical preparations for use in industry; cement set accelerators; cement ...
G/S Plant growth regulating preparations; plant growth regulators for agricultural purposes; soil co...
G/S Industrial chemicals; chemical preparations for use in industry; cement set accelerators; chemica...
G/S Industrial chemicals; chemical preparations for use in industry; cement set accelerators; cement...
2023 G/S Plant growth regulating preparations; biostimulants for plants; soil conditioning preparations; f...
G/S Plant growth regulators for agricultural use; biostimulants being plant growth stimulants; soil c...
G/S Plant growth regulating preparations; biostimulants for plants; soil conditioning preparations; ...
G/S Industrial chemicals; chemical preparations for use in industry; industrial chemicals for use in ...
G/S Industrial chemicals; chemical preparations for use in industry; industrial chemicals for use in...
Invention Pore improving agent and skin improving agent. Provided is a pore improving agent comprising a c...
Invention Resin composition containing copolymer, method for producing same and molded body of same. A res...
Invention Boron nitride powder, resin composition, and method for producing boron nitride powder. A boron ...
Invention Composition. To achieve both excellent dielectric properties and long-term durability. A composi...
Invention Emitter and device comprising same. An emitter includes: an insulator; a pair of conductive term...
Invention Fiber for artificial hair, and hair accessory. A fiber for artificial hair, having a base fiber,...
Invention Eu-activated beta-sialon phosphor particles, beta-sialon phosphor powder, and light-emitting devi...
Invention Conductive resin composition-metal laminate. A conductive resin composition-metal laminate inclu...
G/S Industrial chemicals; chemical preparations for use in industry; cement set accelerators; chemic...
Invention Virus-like particle containing capsid proteins connected by linker. The present invention aims t...
Invention Composition for temporary fixation. A composition for temporary bonding, comprising: ...
Invention Composition for temporary fixation. A composition for temporary bonding, comprising the followin...
G/S Computer software programs; downloadable image files; computer software for use in medical scree...
G/S Downloadable computer programs for use in cancer diagnosis Diagnostic apparatus for the detection...
Invention Positive electrode composition and production method for same, positive electrode and production ...
2022 G/S Semi-worked synthetic plastic as semi-finished products in the form of fibers used for manufactur...
Invention Powder including specific boron nitride particles, heat dissipation sheet, and method for produci...
G/S Electrical cells and batteries; accumulators [batteries]; battery separators. Insulating refract...
G/S Lithium-ion battery cells; automotive batteries; batteries for electric vehicles; accumulators be...
G/S Electrical cells and batteries; accumulators being batteries; battery separators Insulating refra...
G/S Laboratory apparatus and instruments, namely, endoscopic medical and surgical simulators; laborat...
G/S Laboratory apparatus and instruments; laboratory apparatus and instruments for medical research ...
G/S Plant growth regulators for agricultural use; biostimulants being plant growth stimulants; fertil...
G/S Plant growth regulating preparations; biostimulants for plants; fertilizers; chemical fertilizer...
G/S Plant growth regulating preparations; biostimulants for plants; fertilizers; chemical fertilizers...
2021 G/S Chemicals; chemical agents; cement set accelerators; cement blending agents; concrete-aeration c...
G/S Printed circuit boards, circuit boards for mounting electronic components, electronic circuits, c...
G/S Industrial chemicals, namely agricultural chemicals, chemicals for use in the manufacture of adhe...
G/S Industrial chemicals; carbon; organic halogenides; alcohol for industrial purposes; organic acid ...
G/S Industrial chemicals; carbon; organic halogenides; alcohols; organic acids and their salts; este...
2020 G/S Plant growth regulating preparations; plant rearing preparations; soil improving agents; fertili...
G/S Plant growth regulating preparations; plant nutrition preparations; soil improving agents; fertil...
G/S Plant growth regulators for agricultural use; plant nutrition preparations; soil amendments; fert...
G/S Plant growth regulating preparations; plant rearing preparations; soil improving agents; fertiliz...