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Koichi Kubo

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Low viscosity lubricating oil composition
    • Patent number 11,214,754
    • Issue date Jan 4, 2022
    • Chevron Japan Ltd.
    • Hisanari Onouchi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Low viscosity lubricating oil compositions
    • Patent number 11,193,084
    • Issue date Dec 7, 2021
    • Chevron Japan Ltd.
    • Koichi Kubo
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oils for automatic transmissions
    • Patent number 10,604,719
    • Issue date Mar 31, 2020
    • Chevron Japan Ltd.
    • Koichi Kubo
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    LUBRICATING OIL CONTAINING ALKYL PHOSPHONIC ACID
    • Publication number 20240101923
    • Publication date Mar 28, 2024
    • CHEVRON JAPAN LTD.
    • Masami FUCHI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    FRICTION MODIFIER SYSTEM
    • Publication number 20230287291
    • Publication date Sep 14, 2023
    • CHEVRON JAPAN LIMITED
    • Taiki HATTORI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITIONS COMPRISING BIOBASED BASE OILS
    • Publication number 20230167378
    • Publication date Jun 1, 2023
    • CHEVRON ORONITE COMPANY LLC
    • Alexander Bowman BOFFA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITIONS FOR AUTOMATIC TRANSMISSIONS
    • Publication number 20210292676
    • Publication date Sep 23, 2021
    • CHEVRON JAPAN LTD.
    • Koichi KUBO
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LOW VISCOSITY LUBRICATING OIL COMPOSITIONS
    • Publication number 20200157460
    • Publication date May 21, 2020
    • Chevron Japan Ltd.
    • Koichi Kubo
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OILS FOR WET CLUTCH SYSTEMS
    • Publication number 20190352575
    • Publication date Nov 21, 2019
    • Chevron Japan Ltd.
    • Koichi Kubo
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OILS FOR AUTOMATIC TRANSMISSIONS
    • Publication number 20190256792
    • Publication date Aug 22, 2019
    • Chevron Japan Ltd.
    • Koichi Kubo
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LOW VISCOSITY LUBRICATING OIL COMPOSITION
    • Publication number 20190119601
    • Publication date Apr 25, 2019
    • Chevron Japan Ltd.
    • Hisanari Onouchi
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    PASSENGER CAR LUBRICATING OIL COMPOSITIONS FOR FUEL ECONOMY
    • Publication number 20190106651
    • Publication date Apr 11, 2019
    • Chevron Japan Ltd.
    • Koichi Kubo
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    LOW VISCOSITY ENGINE OILS CONTAINING ISOMERIZED PHENOLIC-BASED DETE...
    • Publication number 20190002784
    • Publication date Jan 3, 2019
    • CHEVRON ORONITE COMPANY LLC
    • Alexander Bowman Boffa
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LOW VISCOSITY LUBRICATING OIL COMPOSITION
    • Publication number 20180258366
    • Publication date Sep 13, 2018
    • Chevron Japan Ltd.
    • Hitoshi Ohkubo
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LOW VISCOSITY LUBRICATING OIL COMPOSITION
    • Publication number 20180258365
    • Publication date Sep 13, 2018
    • Chevron Japan Ltd.
    • Hitoshi Ohkubo
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...