Tohru Ishikawa

Person

  • Hitachinaka, JP

Patents Grantslast 30 patents

  • Information Patent Grant

    Fuel injection device

    • Patent number 11,703,021
    • Issue date Jul 18, 2023
    • Hitachi Astemo, Ltd.
    • Ryo Kusakabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Fuel injection device

    • Patent number 11,067,045
    • Issue date Jul 20, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection device

    • Patent number 10,995,655
    • Issue date May 4, 2021
    • Hitachi Automotive Systems, Ltd.
    • Akira Iizuka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Drive unit of fuel injection device

    • Patent number 10,900,435
    • Issue date Jan 26, 2021
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection device

    • Patent number 10,859,047
    • Issue date Dec 8, 2020
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Spark-ignition direct fuel injection valve

    • Patent number 10,704,518
    • Issue date Jul 7, 2020
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electromagnetic fuel injector

    • Patent number 10,288,022
    • Issue date May 14, 2019
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Drive unit of fuel injection device

    • Patent number 10,280,862
    • Issue date May 7, 2019
    • Hitachi Automotive Systems, Ltd.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection device

    • Patent number 10,240,567
    • Issue date Mar 26, 2019
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection device

    • Patent number 10,082,117
    • Issue date Sep 25, 2018
    • Hitachi Automotive Systems, Ltd.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Spark-ignition direct fuel injection valve

    • Patent number 10,024,288
    • Issue date Jul 17, 2018
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection device

    • Patent number 9,726,127
    • Issue date Aug 8, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Spark-ignition direct fuel injection valve

    • Patent number 9,677,526
    • Issue date Jun 13, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection valve

    • Patent number 9,617,963
    • Issue date Apr 11, 2017
    • Hitachi Automotive Systems, Ltd.
    • Motoyuki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection valve

    • Patent number 9,599,083
    • Issue date Mar 21, 2017
    • Hitachi Automotive Systems, Ltd.
    • Eiji Ishii
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Drive unit of fuel injection device

    • Patent number 9,593,657
    • Issue date Mar 14, 2017
    • Hitachi Automotive Systems, Ltd.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection device

    • Patent number 9,541,046
    • Issue date Jan 10, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection valve

    • Patent number 9,528,481
    • Issue date Dec 27, 2016
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection device

    • Patent number 9,347,393
    • Issue date May 24, 2016
    • Hitachi Automotive Systems, Ltd.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electromagnetic fuel injection valve

    • Patent number 9,291,135
    • Issue date Mar 22, 2016
    • Hitachi Automotive Systems, Ltd.
    • Hisashi Ohwada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection valve

    • Patent number 9,103,311
    • Issue date Aug 11, 2015
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection valve for internal combustion engine

    • Patent number 8,991,783
    • Issue date Mar 31, 2015
    • Hitachi Automotive Systems, Ltd.
    • Motoyuki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Drive device for electromagnetic fuel injection valve

    • Patent number 8,960,157
    • Issue date Feb 24, 2015
    • Hitachi Automotive Systems, Ltd.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Drive circuit for electromagnetic fuel-injection valve

    • Patent number 8,899,210
    • Issue date Dec 2, 2014
    • Hitachi Automotive Systems, Ltd.
    • Motoyuki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electro-magneto fuel injector

    • Patent number 8,371,515
    • Issue date Feb 12, 2013
    • Hitachi, Ltd.
    • Motoyuki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Multihole injector

    • Patent number 8,328,121
    • Issue date Dec 11, 2012
    • Hitachi Automotive Systems, Ltd.
    • Yusuke Irino
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electromagnetic fuel injector and method for assembling the same

    • Patent number 8,113,177
    • Issue date Feb 14, 2012
    • Hitachi, Ltd.
    • Masahiko Hayatani
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electromagnetic fuel injector and method for assembling the same

    • Patent number 7,946,274
    • Issue date May 24, 2011
    • Hitachi, Ltd.
    • Masahiko Hayatani
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electro-magneto fuel injector

    • Patent number 7,819,344
    • Issue date Oct 26, 2010
    • Hitachi, Ltd.
    • Motoyuki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Fuel injection control apparatus

    • Patent number 7,789,073
    • Issue date Sep 7, 2010
    • Hitachi, Ltd.
    • Takao Miyake
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Fuel Injection Device

    • Publication number 20210310452
    • Publication date Oct 7, 2021
    • Hitachi Automotive Systems, Ltd.
    • Ryo KUSAKABE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTION DEVICE

    • Publication number 20190257264
    • Publication date Aug 22, 2019
    • Hitachi Automotive Systems, Ltd.
    • Akira IIZUKA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DRIVE UNIT OF FUEL INJECTION DEVICE

    • Publication number 20190218987
    • Publication date Jul 18, 2019
    • Hitachi Automotive Systems, Ltd.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Device

    • Publication number 20190063387
    • Publication date Feb 28, 2019
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito YASUKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK-IGNITION DIRECT FUEL INJECTION VALVE

    • Publication number 20180363615
    • Publication date Dec 20, 2018
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Device

    • Publication number 20180363608
    • Publication date Dec 20, 2018
    • Hitachi Automotive Systems, Ltd.
    • Ryo KUSAKABE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Device

    • Publication number 20170298882
    • Publication date Oct 19, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito YASUKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK-IGNITION DIRECT FUEL INJECTION VALVE

    • Publication number 20170241391
    • Publication date Aug 24, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DRIVE UNIT OF FUEL INJECTION DEVICE

    • Publication number 20170152803
    • Publication date Jun 1, 2017
    • Hitachi Automotive Systems, Ltd.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Device

    • Publication number 20170082078
    • Publication date Mar 23, 2017
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito YASUKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Device

    • Publication number 20160230722
    • Publication date Aug 11, 2016
    • Hitachi Automotive Systems, Ltd.
    • Ryo KUSAKABE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Electromagnetic Fuel Injection Valve

    • Publication number 20160115920
    • Publication date Apr 28, 2016
    • Hitachi Automotive Systems, Ltd.
    • Atsushi TAKAOKU
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Electromagnetic Fuel Injector

    • Publication number 20160025052
    • Publication date Jan 28, 2016
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito YASUKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Valve

    • Publication number 20150377200
    • Publication date Dec 31, 2015
    • Hitachi Automotive Systems, Ltd.
    • Motoyuki ABE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Valve

    • Publication number 20150377202
    • Publication date Dec 31, 2015
    • Hitachi Automotive Systems, Ltd.
    • Eiji ISHII
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Device

    • Publication number 20150354515
    • Publication date Dec 10, 2015
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito YASUKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTION VALVE

    • Publication number 20150337782
    • Publication date Nov 26, 2015
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK-IGNITION DIRECT FUEL INJECTION VALVE

    • Publication number 20150047611
    • Publication date Feb 19, 2015
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    FUEL INJECTION VALVE

    • Publication number 20140151468
    • Publication date Jun 5, 2014
    • Hitachi Automotive Systems, Ltd.
    • Yoshihito Yasukawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    DRIVE UNIT OF FUEL INJECTION DEVICE

    • Publication number 20130139791
    • Publication date Jun 6, 2013
    • HITACHI AUTOMOTIVE SYSTEMS, LTD.
    • Ryo Kusakabe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Device

    • Publication number 20120318883
    • Publication date Dec 20, 2012
    • Hitachi Automotive Systems, Ltd.
    • Ryo KUSAKABE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Drive Circuit for Electromagnetic Fuel-Injection Valve

    • Publication number 20120234299
    • Publication date Sep 20, 2012
    • HITACHI AUTOMOTIVE SYSTEMS, LTD
    • Motoyuki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Device

    • Publication number 20120227709
    • Publication date Sep 13, 2012
    • Hitachi Automotive Systems, Ltd.
    • Ryo KUSAKABE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Drive Device for Electromagnetic Fuel Injection Valve

    • Publication number 20120216783
    • Publication date Aug 30, 2012
    • Hitachi Automotive Systems, Ltd.
    • Ryo KUSAKABE
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    ELECTROMAGNETIC FUEL INJECTION VALVE

    • Publication number 20120204839
    • Publication date Aug 16, 2012
    • Hitachi Automotive Systems, Ltd.
    • Hisashi Ohwada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Electromagnetic Fuel Injector and Method for Assembling the Same

    • Publication number 20120126037
    • Publication date May 24, 2012
    • HITACHI, LTD.
    • Masahiko Hayatani
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Electromagnetic Fuel Injector and Method for Assembling the Same

    • Publication number 20110163188
    • Publication date Jul 7, 2011
    • HITACHI, LTD.
    • Masahiko Hayatani
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Valve for Internal Combustion Engine

    • Publication number 20110155103
    • Publication date Jun 30, 2011
    • Hitachi Automotive Systems, Ltd.
    • Motoyuki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Fuel Injection Valve

    • Publication number 20110042491
    • Publication date Feb 24, 2011
    • Hitachi Automotive Systems, Ltd.
    • Motoyuki Abe
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Electromagnetic Fuel Injector and Method for Assembling the Same

    • Publication number 20100147977
    • Publication date Jun 17, 2010
    • HITACHI, LTD.
    • Masahiko Hayatani
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS