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Kenji SUNAHARA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Lubricating oil composition and use method therefor
    • Patent number 11,274,262
    • Issue date Mar 15, 2022
    • Idemitsu Kosan Co., Ltd.
    • Kenji Sunahara
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition
    • Patent number 11,193,080
    • Issue date Dec 7, 2021
    • Idemitsu Kosan Co., Ltd.
    • Kenji Sunahara
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    LUBRICANT COMPOSITION
    • Publication number 20240158716
    • Publication date May 16, 2024
    • IDEMITSU KOSAN CO.,LTD.
    • Masaya KUBOTA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICANT COMPOSITION
    • Publication number 20240110121
    • Publication date Apr 4, 2024
    • IDEMITSU KOSAN CO.,LTD.
    • Kenji SUNAHARA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION
    • Publication number 20240101924
    • Publication date Mar 28, 2024
    • IDEMITSU KOSAN CO.,LTD.
    • Shoichiro FUJITA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION
    • Publication number 20230051184
    • Publication date Feb 16, 2023
    • IDEMITSU KOSAN CO.,LTD.
    • Kenji SUNAHARA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION AND USE METHOD THEREFOR
    • Publication number 20210032559
    • Publication date Feb 4, 2021
    • IDEMITSU KOSAN CO.,LTD.
    • Kenji SUNAHARA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION
    • Publication number 20200308503
    • Publication date Oct 1, 2020
    • IDEMITSU KOSAN CO., LTD.
    • Kenji SUNAHARA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...