Idemitsu Kosan Co., Ltd.

Japan


 
Total IP 4,130
Total IP incl. subs 4,322 (+ 192 for subs)
Total IP Rank # 265
IP Activity Score 4/5.0    2,150
IP Activity Rank # 319
IP AS incl. subs 3.7/5.0    2,235
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

1,383 37
13 31
2,613 48
5
 
Last Patent 2025 - Compound, material for organic e...
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 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 Thin film transistor and electronic device. A thin film transistor includes an oxide semiconduct...
G/S Measuring or testing machines and instruments; telecommunication machines and apparatus; persona...
Invention Radio wave absorber, radio wave absorption structure including radio wave absorber, and compositi...
Invention Aromatic heterocyclic derivative, material for organic electroluminescent element, and organic el...
Invention Oxide semiconductor film, thin film transistor, and electronic device. An oxide semiconductor fi...
Invention Novel compound, organic electroluminescence device and electronic apparatus. A compound having s...
Invention Organic electroluminescence device and electronic apparatus equipped with the same. An organic e...
Invention Thin film transistor and electronic device. A thin film transistor includes a metal oxide layer ...
G/S Solid lubricants; fuels; industrial oils; industrial greases; lubricating oils; non-mineral oils ...
Invention Electrode, lithium ion battery positive electrode, and lithium ion battery. An electrode having a...
Invention Organic electroluminescent element and electronic device. 1B8B111A112A113A113A is a group represe...
Invention Compound, material for organic electroluminescent element, organic electroluminescent element, an...
Invention Lignin composition and use of same. A lignin composition containing two or more compounds represe...
Invention Synthetic chemical product production system. 222222222222/CO ratio in accordance with a desired ...
Invention Sulfide solid electrolyte mixture, electrode mixture, and all-solid-state battery. The present in...
Invention Photoelectric conversion element, solar cell module, and paddle. Provided is a photoelectric conv...
Invention Thermosetting composition, method for producing molded article using same, and cured product. Pro...
Invention Thermosetting composition, method for producing molded article using same, and cured product. Dis...
Invention Compound and an organic electroluminescence device comprising the compound. The present inventio...
Invention Crystalline sulfide solid electrolyte. 34112122|) is less than 0.5°.
Invention Compound, organic electroluminescent element, and electronic device. 12312344 each independently ...
Invention Compound, organic-electroluminescence-device material, organic electroluminescence device, and el...
Invention Organic electroluminescence element and electronic device. A compound may include partial struct...
Invention Polycarbonate-polyarylate resin, coating composition, molded body, and electrophotographic photor...
Invention Grease composition and method for producing grease composition. Disclosed is a grease composition...
Invention Compound, organic electroluminescent element, and electronic device. Compounds represented by for...
Invention Method for producing calcium carbonate particles. Provided is a method for producing calcium carb...
Invention Compound, organic electroluminescent element material, organic electroluminescent element, and el...
Invention Compound, organic electroluminescent element, and electronic device. 11411411111 represents a het...
Invention Compound, light-emitting element material, organic electroluminescent element and electronic devi...
Invention Compound, organic electroluminescent element, and electronic device. The present invention relate...
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 ...
Invention Lubricating oil composition. There has been a need for development of a lubricating oil compositi...
Invention Information processing device and information processing program. This information processing dev...
Invention Organic electroluminescent element and electronic device. 177K177K77K(M2) < 0.3eV. (In general fo...
2023 G/S Unprocessed polycarbonate plastics; Unprocessed polycarbonate plastics, namely, alloys of polycar...
Invention Lubricant composition. A lubricating oil composition, including: a base oil including an ester b...
2022 Invention Viscosity index enhancer composition, additive composition for lubricating oil, and lubricating o...
Invention Organic electroluminescence element, electronic device, composition, and mixture powder. An orga...
Invention Compound, material for organic electroluminescence device, organic electroluminescence device, an...
Invention Lubricant base oil and lubricant composition. A lubricant base oil for use in the preparation of...
Invention Photoelectric conversion element and manufacturing method of photoelectric conversion element. A...
Invention Water-soluble metalworking fluid. A water-soluble metalworking fluid that includes a base oil (A...
Invention Method for producing sulfide solid electrolyte. Provided is a method for producing sulfide solid...
Invention Chalcogenide perovskite and method for producing chalcogenide perovskite by liquid phase synthesi...
Invention Refrigerator oil composition and mixed composition for refrigerators. A problem to be solved is ...
Invention Photoelectric conversion module, paddle, and method for manufacturing photoelectric conversion mo...
G/S Non-metallic minerals for building or construction; materials for making and coating roads; buil...
Invention Production method for sulfide solid electrolyte and sulfide solid electrolyte. A method of produ...
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...