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Kenji Fujiwaki

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  • Kariya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Solenoid valve and valve opening-closing timing control device
    • Patent number 9,157,344
    • Issue date Oct 13, 2015
    • Aisin Seiki Kabushiki Kaisha
    • Kenji Fujiwaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Grant

    Valve timing control apparatus
    • Patent number 8,820,278
    • Issue date Sep 2, 2014
    • Aisin Seiki Kabushiki Kaisha
    • Masaki Kobayashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control apparatus and valve timing control mechanism
    • Patent number 8,631,774
    • Issue date Jan 21, 2014
    • Aisin Seiki Kabushiki Kaisha
    • Kenji Fujiwaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control device
    • Patent number 8,522,734
    • Issue date Sep 3, 2013
    • Aisin Seiki Kabushiki Kaisha
    • Kazunari Adachi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control apparatus
    • Patent number 7,565,889
    • Issue date Jul 28, 2009
    • Aisin Seiki Kabushiki Kaisha
    • Taiyu Iwata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable valve timing system
    • Patent number 6,439,181
    • Issue date Aug 27, 2002
    • Aisin Seiki Kabushiki Kaisha
    • Kenji Fujiwaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control device
    • Patent number 6,035,816
    • Issue date Mar 14, 2000
    • Aisin Seiki Kabushiki Kaisha
    • Kazumi Ogawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Valve timing control device
    • Patent number 5,937,810
    • Issue date Aug 17, 1999
    • Aisin Seiki Kabushiki Kaisha
    • Atsushi Sato
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Variable valve timing device
    • Patent number 5,901,674
    • Issue date May 11, 1999
    • Aisin Seiki Kabushiki Kaisha
    • Kenji Fujiwaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Variable valve timing system having rotational vibration damper
    • Patent number 5,535,705
    • Issue date Jul 16, 1996
    • Aisin Seiki Kabushiki Kaisha
    • Katsuhiko Eguchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES

Patents Applicationslast 30 patents

  • Information Patent Application

    SOLENOID VALVE AND VALVE OPENING-CLOSING TIMING CONTROL DEVICE
    • Publication number 20140202409
    • Publication date Jul 24, 2014
    • AISIN SEIKI KABUSHIKI KAISHA
    • Kenji Fujiwaki
    • F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
  • Information Patent Application

    METHOD OF ASSEMBLING VARIABLE VALVE TIMING APPARATUS
    • Publication number 20130192066
    • Publication date Aug 1, 2013
    • AISIN SEIKI KABUSHIKI KAISHA
    • Masaki KOBAYASHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE TIMING CONTROL APPARATUS AND VALVE TIMING CONTROL MECHANISM
    • Publication number 20130112161
    • Publication date May 9, 2013
    • AISIN SEIKI KABUSHIKI KAISHA
    • Kenji Fujiwaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE TIMING CONTROL APPARATUS
    • Publication number 20120152190
    • Publication date Jun 21, 2012
    • AISIN SEIKI KABUSHIKI KAISHA
    • Masaki Kobayashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    VALVE TIMING CONTROL DEVICE
    • Publication number 20100294223
    • Publication date Nov 25, 2010
    • AISIN SEIKI KABUSHIKI KAISHA
    • Kazunari ADACHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Valve Timing Control Apparatus
    • Publication number 20080163838
    • Publication date Jul 10, 2008
    • AISIN SEIKI KABUSHIKI KAISHA
    • Taiyu Iwata
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Variable valve timing system
    • Publication number 20020038640
    • Publication date Apr 4, 2002
    • Kenji Fujiwaki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES