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Takayuki ICHIKAWA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Intake apparatus
    • Patent number 9,217,400
    • Issue date Dec 22, 2015
    • Roki Co., Ltd.
    • Michiko Koike
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Intake sound adjusting device
    • Patent number 8,033,359
    • Issue date Oct 11, 2011
    • Roki Co., Ltd.
    • Takayuki Ichikawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ENGINE COVER
    • Publication number 20160076443
    • Publication date Mar 17, 2016
    • ROKI CO., LTD.
    • Shuhei SEI
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTAKE APPARATUS
    • Publication number 20140048032
    • Publication date Feb 20, 2014
    • ROKI CO., LTD.
    • Michiko Koike
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    INTAKE SOUND ADJUSTING DEVICE
    • Publication number 20100224439
    • Publication date Sep 9, 2010
    • ROKI CO., LTD.
    • Takayuki ICHIKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    MUFFLE CHAMBER DUCT
    • Publication number 20080230306
    • Publication date Sep 25, 2008
    • TOYO ROKI SEIZO KABUSHIKI KAISHA
    • Takayuki ICHIKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS