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Toshiaki Iwai

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  • Chiba, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Friction adjusting agent and lubricating oil composition
    • Patent number 11,332,687
    • Issue date May 17, 2022
    • Idemitsu Kosan Co..Ltd.
    • Kazushige Matsubara
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition, method for producing lubricating oil c...
    • Patent number 11,124,726
    • Issue date Sep 21, 2021
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki Iwai
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricating oil composition
    • Patent number 11,111,457
    • Issue date Sep 7, 2021
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki Iwai
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant oil composition
    • Patent number 9,714,395
    • Issue date Jul 25, 2017
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki Iwai
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant composition
    • Patent number 9,574,157
    • Issue date Feb 21, 2017
    • Idemitsu Kosan Co., Ltd.
    • Keiichi Narita
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant oil composition for transmissions
    • Patent number 9,365,797
    • Issue date Jun 14, 2016
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki Iwai
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Grant

    Lubricant composition for continuously variable transmission
    • Patent number 9,085,742
    • Issue date Jul 21, 2015
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki Iwai
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...

Patents Applicationslast 30 patents

  • Information Patent Application

    FRICTION ADJUSTING AGENT AND LUBRICATING OIL COMPOSITION
    • Publication number 20210095221
    • Publication date Apr 1, 2021
    • IDEMITSU KOSAN CO.,LTD.
    • Kazushige MATSUBARA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION
    • Publication number 20200199484
    • Publication date Jun 25, 2020
    • IDEMITSU KOSAN CO., LTD.
    • Toshiaki IWAI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION, METHOD FOR PRODUCING LUBRICATING OIL C...
    • Publication number 20190367830
    • Publication date Dec 5, 2019
    • IDEMITSU KOSAN CO., LTD.
    • Toshiaki IWAI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATING OIL COMPOSITION
    • Publication number 20190040336
    • Publication date Feb 7, 2019
    • Idemitsu Kosan Co., Ltd,
    • Toshiaki IWAI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICATION OIL ADDITIVE AND METHOD FOR MANUFACTURING SAME, AND LUB...
    • Publication number 20170198232
    • Publication date Jul 13, 2017
    • IDEMITSU KOSAN CO., LTD.
    • Hiroaki KOSHIMA
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    TRANSMISSION FLUID
    • Publication number 20160222312
    • Publication date Aug 4, 2016
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki IWAI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    TRANSMISSION FLUID
    • Publication number 20160208192
    • Publication date Jul 21, 2016
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki IWAI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    TRANSMISSION FLUID
    • Publication number 20160201003
    • Publication date Jul 14, 2016
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki IWAI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICANT OIL COMPOSITION
    • Publication number 20150368582
    • Publication date Dec 24, 2015
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki IWAI
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICANT COMPOSITION
    • Publication number 20150197704
    • Publication date Jul 16, 2015
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki Iwai
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICANT COMPOSITION
    • Publication number 20140378357
    • Publication date Dec 25, 2014
    • IDEMITSU KOSAN CO., LTD. a corporation
    • Keiichi Narita
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICANT OIL COMPOSITION FOR TRANSMISSIONS
    • Publication number 20140315771
    • Publication date Oct 23, 2014
    • IDEMITSU KOSAN, CO., LTD.
    • Toshiaki Iwai
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
  • Information Patent Application

    LUBRICANT COMPOSITION FOR CONTINUOUSLY VARIABLE TRANSMISSION
    • Publication number 20100317551
    • Publication date Dec 16, 2010
    • Idemitsu Kosan Co., Ltd.
    • Toshiaki Iwai
    • C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...