Idemitsu Kosan Co., Ltd.

Japan


 
Total IP 4,166
Total IP incl. subs 4,358 (+ 192 for subs)
Total IP Rank # 266
IP Activity Score 4/5.0    2,137
IP Activity Rank # 324
IP AS incl. subs 3.7/5.0    2,220
Stock Symbol 50190 (tse)
ISIN JP3142500002
Market Cap. 898062124770.0  (JPY)
Industry Oil & Gas Refining & Marketing
Sector Energy
Dominant Nice Class Industrial oils and greases; lub...

Patents

Trademarks

1,425 33
14 31
2,610 48
5
 
Last Patent 2025 - Lubricant composition and method...
First Patent 1974 - Process for the preparation of p...
Last Trademark 2025 - IDEMITSU ICF
First Trademark 1987 - MAGICTOP

Subsidiaries

2 subsidiaries with IP (185 patents, 7 trademarks)

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Industry (Nice Classification)

Latest Inventions, Goods, Services

2025 Invention Oxide semiconductor film, thin film transistor, and electronic device. An oxide semiconductor fi...
Invention Laminated structure and thin film transistor. The laminated structure has a base insulating laye...
Invention Thin film transistor and electronic device. A thin film transistor includes a metal oxide layer,...
Invention Organic electroluminescence device and electronic apparatus provided with the same. An organic e...
G/S Coolants; dielectric fluids as a chemical preparation for cooling computer servers, except oils. ...
G/S Coolants; dielectric fluids as a chemical preparation for cooling computer servers, except oils....
2024 Invention Compound, organic electroluminescent element, and electronic device. A compound containing a stru...
Invention Solid electrolytic capacitor and method for manufacturing same. This solid electrolytic capacitor...
Invention Solid electrolytic capacitor and method for manufacturing same. A solid electrolytic capacitor ac...
Invention Fiber-reinforced thermoplastic resin composition and resin-metal composite. A fiber-reinforced th...
Invention Compound and an organic electroluminescence device comprising the compound. The present invention...
Invention Solid state battery and method for producing solid state battery. A solid state battery includes...
Invention Organic electroluminescent element and electronic device. 11111(H2)
Invention Compound, organic electroluminescent element, and electronic device. 910111891113a13h1212k1k213a1...
Invention Compound, material for organic electroluminescent element, organic electroluminescent element, an...
Invention Lubricant and lubricant composition. Disclosed is a lubricant that contains a deep eutectic solve...
Invention Composite, method for producing composite, positive electrode mixed material, positive electrode ...
G/S Measuring or testing machines and instruments; telecommunication machines and apparatus; persona...
Invention Layer, photoelectric conversion module, method for forming layer, and method for manufacturing ph...
Invention Method for forming layer, method for manufacturing photoelectric conversion module, and processin...
Invention Method for producing lithium halide. Provided is a method for producing lithium halide by a metho...
Invention Uv-emitting element. A UV-emitting element (1) has a layered structure comprising, in order: an a...
Invention Organic electroluminescent element and electronic device. DDDADDDAA)×100
Invention Resin composition, composite material, and molded body. This resin composition comprises: an arom...
Invention Sulfide solid electrolyte manufacturing system and manufacturing method. A sulfide solid electrol...
Invention Lubricating oil composition. Provided is a lubricating oil composition that maintains excellent d...
Invention Compound, organic electroluminescent element material, organic electroluminescent element, and el...
Invention Organic electroluminescent element and electronic device. 77K77K77K(M5) is the energy gap at 77[K].)
Invention Lubricant base oil. 32233 groups in a 133), and the average branch number (avB) is 0.885 or more.
G/S Solid lubricants; fuels; industrial oils; industrial greases; lubricating oils; non-mineral oils ...
G/S Automotive lubricating oils; automotive lubricating greases; automotive lubricants; engine oils f...
G/S Automotive lubricating oils; automotive lubricating greases; automotive lubricants; engine oils ...
2023 Invention Composition. A composition including an aromatic polyether which includes a structural unit repr...
Invention Compound, material for organic electroluminescence device, organic electroluminescence device, an...
G/S Unprocessed polycarbonate plastics; Unprocessed polycarbonate plastics, namely, alloys of polycar...
Invention Method for manufacturing sulfide solid electrolyte. Provided is a method for producing a sulfide...
Invention Lubricant composition and method for producing same. Provided a lubricant composition containing...
Invention Lubricating oil composition, flash point improver, and flash point improving method. Provided is...
Invention Lubricant composition. A lubricating oil composition may contain a base oil (A), a phosphorous a...
Invention Composition, organic electroluminescent element, and electronic device. A composition includes a...
Invention Sintered body, sputtering target, oxide thin film, thin film transistor, electronic equipment, an...
Invention Crystalline sulfide solid electrolyte and method for producing same. Provided are: a crystalline...
Invention Additive for carbon dioxide reduction catalysts, catalyst layer, cathode, ion exchange membrane-e...
Invention Catalyst and production method for same, cathode, ion exchange membrane electrode assembly, and s...
Invention Polycarbonate-based resin composition. The present invention provides a polycarbonate-based resi...
Invention Composition for producing activated carbon, method for producing same, molded body for producing ...
Invention Lubricant composition. A lubricating oil composition including a base oil, a phosphorous acid es...
2022 Invention Refrigerator oil composition and mixed composition for refrigerator. A refrigerator oil composit...
Invention Solid lubricant material, sliding member and method for forming solid lubricant material. Provid...
Invention Aromatic polyether, composition, film, powder, pellets, composite material production method, and...
Invention Crystalline oxide thin film, method for producing same, thin film transistor, and method for prod...
G/S Non-metallic minerals for building or construction; materials for making and coating roads; buil...
G/S solid lubricants for industrial purposes; fuels; industrial oils; industrial greases; lubricating...
G/S Fuels; industrial oils; industrial greases; lubricating oils; non-mineral oils and greases for i...
G/S Solid lubricants; fuels; industrial oils; industrial greases; lubricating oils; non-mineral oils...
G/S Solid lubricants for industrial purposes; fuels, namely, gasoline, kerosene, fuel oil, fuel from ...
G/S Solid lubricants for industrial purposes; fuels; industrial oils; industrial greases; lubricating...
2021 G/S Solid lubricants; fuels; industrial oils; industrial gasoline; industrial greases; lubricating o...
G/S Engine oils.
G/S Solid lubricants for industrial purposes; fuels; industrial oils; industrial gasoline; industrial...
G/S Wood pellet fuel; solid fuels.
2020 G/S Chemicals for manufacturing transparent conductive thin films; chemical additives for asphalt bin...
G/S Chemicals for manufacturing transparent conductive thin films; chemical additives for binding asp...
G/S Chemicals for manufacturing transparent conductive thin films; chemical additives for asphalt bi...
G/S Plastic sheets for packaging; bags and pouches of plastic for packaging; plastic films for packa...
G/S Plastic sheets for packaging; bags and pouches of plastic for packaging; plastic films for packag...
2019 G/S Testing of lubricants, lubricating oils and industrial oils; inspection of lubricants, lubricati...