Mitsui Chemicals, Inc.

Japan


 
Total IP 3,220
Total IP incl. subs 3,919 (+ 773 for subs)
Total IP Rank # 383
IP Activity Score 3.9/5.0    1,746
IP Activity Rank # 402
IP AS incl. subs 3.7/5.0    2,023
Stock Symbol
ISIN JP3888300005
Market Cap. 609457572070.0  (JPY)
Industry Specialty Chemicals
Sector Basic Materials
Dominant Nice Class Chemical and biological material...

Patents

Trademarks

1,030 82
44 21
1,936 77
30
 
Last Patent 2025 - Cell culturing vessel, method fo...
First Patent 1977 - Process for preparing olefin pol...
Last Trademark 2025 - TAKELAC
First Trademark 1966 - TPX

Subsidiaries

24 subsidiaries with IP (726 patents, 47 trademarks)

13 subsidiaries without IP

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 G/S chemicals; industrial chemicals; chemicals for the manufacture of polyurethanes; chemicals for th...
G/S Semi-processed plastic in the form of films, sheets, tubes, bars, or rods; insulating tapes; adhe...
G/S Semi-processed plastic in sheet form; plastic sheet materials for use in manufacture; extruded p...
Invention Pellicle film for photolithography, pellicle, photolithography mask, photolithography system, and...
Invention Tackifier and hot melt adhesive composition. A tackifier (B) according to the present invention ...
G/S Plastic film for use in commercial and industrial manufacturing, other than for wrapping; polymer...
G/S Plastic film, other than for wrapping; polymer films for use in manufacture; polymer films for u...
Invention Cell culturing vessel, method for producing same, and method for culturing cells. This cell cultu...
2024 Invention Method for manufacturing optical resin wafer. Provided is a method for manufacturing an optical r...
Invention Optical resin wafer manufacturing method. m0m1m0m1m1.
Invention Nonwoven fabric laminate and method for producing nonwoven fabric laminate. This nonwoven fabric ...
Invention Method for manufacturing conductive member, and conductive member. 1487177814871487 at 1487 cm- 1...
Invention Composition, additive, plasticizer, curable composition, adhesive, cured product, and pressure-se...
Invention Propylene α-olefin copolymer, resin composition, molded body, and power storage device. A propyle...
Invention Method for managing carbon nanotube pellicle membrane, device for managing carbon nanotube pellic...
Invention Non-aqueous electrolyte solution and non-aqueous electrolyte secondary battery. Provided are: a n...
Invention Pellicle case, pellicle housing body, and pellicle inspection method. A pellicle case according t...
Invention Water treatment method and water treatment device. This water treatment method includes subjectin...
Invention Battery adhesive, battery laminate, battery packaging material, and tab lead. One embodiment of t...
Invention Carbonization apparatus and method for producing carbon fiber. The present invention addresses th...
Invention Method for producing thiol compound and application of same. Disclosed is a method for producing ...
G/S Plastics [raw materials]; synthetic resins, unprocessed; artificial resins, unprocessed; plastic...
Invention Brain-targeting peptide, transport carrier, and method for screening peptide binding to target ce...
Invention Biological information detection device. This biological information detection device comprises: ...
Invention Compound, additive, plasticizer, curable composition, adhesive, cured product, and tackifier. A c...
Invention Polythiol composition, polymerizable composition, resin, molded body, optical material, and lens....
Invention Adhesive composition and laminate. Provided is an adhesive composition that contains: a compound ...
Invention Laminate and method for producing laminate. Disclosed are a laminate and a method for producing a...
Invention Resin composition, substrate for flexible devices, flexible device, and sheet. This resin composi...
Invention Optical member and method for manufacturing optical member. Disclosed is an optical member (100) ...
Invention Polyol composition, polyurethane resin composition, and polyurethane resin. The polyol compositio...
G/S Chemicals for use in the manufacture of optical monomers used for optical lenses, sun lenses, and...
G/S Optical wafers made of resin; optical wafers made of plastic; highly flat optical lenses; ultra f...
G/S Optical resin wafers; optical plastic wafers; high precision optical flats; optical wafers; high...
2023 G/S Optical wafers made of resin; optical wafers made of plastic; flat optical lenses for electronic ...
G/S Touch sensitive displays; aerial imaging panels; projectors for aerial images; aerial image disp...
G/S Chemicals; industrial chemicals; resin modifier; chemicals for use in the processing of plastics...
Invention Metal member and manufacturing method therefor, etching solution, and metal-resin complex and man...
Invention Method for producing olefin dimer, olefin dimerization catalyst. A method for producing an olefi...
Invention Random sheet manufacturing method. The present invention provides a method for manufacturing a r...
Invention Ethylene-based polymer composition and pipe composed of same. An object of the present invention...
Invention Ethylene-based polymer composition and use thereof. An ethylene-based polymer composition of the...
Invention Cyclic olefin-based resin composition, varnish, crosslinked body, film, sheet, circuit board, ele...
Invention Ascorbic acid derivative or salt thereof, additive for polymerization initiation, polymerization ...
Invention Polymerization accelerator, polymerization initiator, curable composition preparation kit, curabl...
Invention Laminate, method for producing laminate, and adhesive composition. One embodiment of the present...
Invention Fiber-reinforced resin sheet and method for manufacturing same. The present invention provides: ...
Invention Recycled cyclic olefin resin composition, molded body, optical component, and method for producin...
Invention Buffer material, exterior material, and robot component. A buffer material (1) includes a gel la...
Invention Photocurable composition, three-dimensional modeling product, mold, method of producing cured pro...
Invention Shock-absorbing material and method for manufacturing same. The present invention provides a sho...
Invention Polyurethane dispersion and ink composition. A polyurethane dispersion consists of a polyurethan...
Invention Photocurable composition, three-dimensional modeling product, and dental product. A photocurable...
Invention Electrode binder, electrode, lithium ion secondary battery, and method for producing electrode. ...
Invention Thermoplastic elastomer composition and method for producing thermoplastic elastomer composition....
Invention Thermoplastic resin composition. Provided is a thermoplastic resin composition excellent in flex...
Invention Nonelectrolytic plating primer composition, laminate, and method for manufacturing same. A nonel...
Invention Temperature sensing material, molded article, and production method for temperature sensing mater...
Invention Cyclic olefin copolymer, cyclic olefin copolymer composition, molded body, and optical component....
G/S Chemicals; industrial chemicals; unprocessed plastics (plastics in primary form); synthetic resi...
Invention Copolymer composition, foam molded body, crosslinked molded body, and production methods of these...
Invention Temperature control device and method for manufacturing temperature control device. The temperatu...
2022 G/S Eyeglasses; eyewear; spectacles; eyeglasses for vision correction; eyeglasses for amblyopia; medi...
G/S Chemicals used in industry and science, as well as in agriculture, horticulture and forestry exce...
G/S 3D spectacles using corrective lenses for myopia and hyperopia based on prescriptions from ophtha...
G/S Isocyanate; isocyanate compounds; chemicals comprising polyol and isocyanate; chemical coatings;...
G/S Unprocessed plastics in primary form; synthetic resins, unprocessed; artificial resins, unprocess...
G/S Plasticizers; chemicals for the manufacture of paints; defoaming agents; chemical additives for l...
G/S Chemicals; industrial chemicals; plasticizers; chemicals for the manufacture of paints; defoamin...
G/S Provision of advertising space on homepages through the internet; website traffic optimisation; ...
G/S Provision of advertising space on homepages through the internet; website traffic optimisation; b...
G/S Isocyanate being chemicals used in industry; isocyanate compounds being chemicals used in industr...
2021 G/S Laboratory apparatus and instruments; Laboratory apparatus and instruments for cell culture; Appa...
G/S Laboratory apparatus and instruments, namely, microfluidic instruments that visualize, select, an...
G/S Cyclo olefin copolymer, namely, unprocessed olefin polymers; unprocessed plastics, namely, plasti...
G/S Cyclo olefin copolymer; unprocessed plastics [plastics in primary form]; synthetic resins, unpro...
G/S Chemical monomer used in the manufacture of plastic lenses; chemicals for use in the manufacture ...
G/S Irons and steels; Non-ferrous metals and their alloys; Ores of metal; Metal materials for buildin...
G/S Industrial chemicals used in the manufacture of plastic lenses; unprocessed plastics; unprocessed...
2020 G/S Bone cement for medical purposes; bone cement for surgical purposes; bone cement for orthopaedic ...
G/S Bone cement for medical purposes; bone cement for surgical purposes; bone cement for orthopaedic...
G/S Spectacles; spectacle lenses; sunglasses; sunglass lenses; optical lenses
G/S Chemicals used in industry and science, as well as in agriculture, horticulture and forestry, exc...
G/S acids for industrial purposes, namely, purified terephthalic acid, phosphoric acid, liquefied car...
G/S Unprocessed synthetic resins; unprocessed plastics for industrial use; unprocessed artificial res...
G/S Industrial chemicals; monomer used in the manufacture of plastic lenses; unprocessed plastics; sy...