Denka Company Limited

Japan


 
Total IP 2,479
Total IP incl. subs 2,611 (+ 137 for subs)
Total IP Rank # 513
IP Activity Score 4/5.0    2,474
IP Activity Rank # 272
IP AS incl. subs 3.8/5.0    2,487
Stock Symbol
ISIN JP3549600009
Market Cap. 312159336000.0  (JPY)
Industry Chemicals
Sector Basic Materials
Dominant Nice Class Chemical and biological material...

Patents

Trademarks

748 55
38 23
1,521 82
12
 
Last Patent 2025 - Cement admixture, method for pro...
First Patent 2003 - Method of quantifying cholestero...
Last Trademark 2024 - DENKA POWER CSA
First Trademark 1971 - TOYOKALON

Subsidiaries

5 subsidiaries with IP (132 patents, 5 trademarks)

2 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2024 G/S Industrial chemicals; chemical preparations for use in industry; cement set accelerators; cement ...
Invention Composite, layer including the composite, and module including the layer. Disclosed is a composi...
Invention Composition, molded body and cured body, and laminate. The present disclosure provides an insulat...
Invention Silica powder. A silica powder according to the present invention has: a dielectric loss tangent ...
Invention Cement admixture, expansion material, and cement composition. Provided is a cement admixture comp...
Invention Adhesive tape and wire harness. The present invention addresses the problem of providing an adhes...
Invention Spherical calcium titanate powder, production method therefor, and resin composition. Provided ar...
Invention Spherical calcium titanate powder, and resin composition. Provided are: a spherical calcium titan...
Invention Spherical calcium titanate powder and resin composition. Provided are: a spherical calcium titana...
Invention Immunoassay method using treponema pallidum antigen 17 kda (tpn17) as antigen. To provide an immu...
Invention Immunoassay method using syphilis treponema pallidum antigen 47 kda (tpn47) as antigen. Provided ...
Invention Expansive composition, expansive cement composition, expansive concrete composition, method for p...
Invention Uncured sheet and cured body of same. The purpose of the present disclosure is to reduce the tack...
Invention Fire spread prevention material, battery pack, and automobile. [Problem] To provide a fire spread...
G/S Plant growth regulating preparations; plant growth regulators for agricultural purposes; soil co...
Invention Rubber composition, vulcanized product, and vulcanized molded body. To provide a rubber compositi...
Invention Porous carbon material and production method therefor. This porous carbon material has, in a pore...
Invention Fiber for artificial hair, hair decoration product, and nozzle for melt extrusion of fiber for ar...
Invention Method for producing biocompatible material, and biocompatible material. [Problem] To provide a b...
Invention Liquid humic acid and method for producing liquid humic acid. A purpose of the present invention ...
Invention Phosphor powder, composite, and light-emitting device. 12211.
Invention Laminate, circuit board, and production method for circuit board. Provided is a laminate that com...
Invention Composition and sheet. The present invention addresses the problem of providing a novel compositi...
Invention Analysis method and diagnosis method for cd8-positive t cell activation in patients with myasthen...
Invention Fiber for artificial hair, hair ornament, and method for producing fiber for artificial hair. Pro...
Invention Thermosetting resin composition for forming wiring board, cured product, prepreg, and interlayer ...
Invention Adjuvant and composition thereof. Provided are: a use of a CBR2 agonist as an adjuvant; and an ad...
Invention Resource circulation system for cement/concrete-based materials. 222 emission amount in the movem...
Invention Β-sialon phosphor, light-emitting member, and light-emitting device. The β-SiAlON phosphor of the...
Invention Emitter. This emitter comprises: an insulator; a pair of terminals extending along a predetermine...
Invention Emitter. This emitter includes: an insulator; a pair of terminals extending along a first directi...
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...
Invention Antifogging sheet and food packaging container. An antifogging sheet comprising a polymer sheet a...
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 Chloroprene-based polymer latex and dip-molded product. The present invention aims to provide a ...
G/S Industrial chemicals; chemical preparations for use in industry; cement set accelerators; chemic...
Invention Spherical silica powder. In spherical silica powder according to an embodiment of the present in...
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...
2022 G/S Semi-worked synthetic plastic as semi-finished products in the form of fibers used for manufactur...
Invention Method for producing protein in baculovirus expression system. A method for producing a protein ...
Invention Boron nitride particles and heat dissipation sheet. The boron nitride particle of the present in...
Invention Fibers for hair, method for producing same, fiber treatment agent and hair accessory. A fiber fo...
Invention Multilayer structure including insulating layer. A multilayer structure includes at least one in...
Invention Method for producing spherical silica particles. The present invention provides a method for pro...
Invention Spherical silica particles and resin composition using same. Provided are spherical silica parti...
Invention Spherical silica particles, and resin composition using same. Provided are spherical silica part...
Invention Thermoelectric conversion module and manufacturing method therefor. The thermoelectric conversio...
Invention Polymer latex composition, immersion molded body, and method for producing polymer latex composit...
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...
Invention Cement admixture, method for producing cement admixture, and cement composition. Provided is a c...
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 ...
Invention Fibers for artificial hair, fiber bundle for artificial hair, and hair decoration product. A fib...
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...