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Hirokazu KURONO

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  • Nagoya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 10,879,675
    • Issue date Dec 29, 2020
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug insulator production method, insulator, molding die
    • Patent number 10,751,923
    • Issue date Aug 25, 2020
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Method for manufacturing insulator for spark plug
    • Patent number 10,637,212
    • Issue date Apr 28, 2020
    • NGK Spark Plug Co., Ltd.
    • Hironori Uegaki
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Grant

    Spark plug
    • Patent number 10,424,901
    • Issue date Sep 24, 2019
    • NGK Spark Plug Co., Ltd.
    • Jumpei Isasa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,340,667
    • Issue date Jul 2, 2019
    • NGK Spark Plug Co., Ltd.
    • Toshinori Takeichi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug including a magnetic substance and a conductor disposed...
    • Patent number 10,277,012
    • Issue date Apr 30, 2019
    • NGK Spark Plug Co., Ltd.
    • Kazuhiro Kurosawa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,270,228
    • Issue date Apr 23, 2019
    • NGK Spark Plug Co., Ltd.
    • Kazuhiro Kurosawa
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Grant

    Spark plug
    • Patent number 10,205,305
    • Issue date Feb 12, 2019
    • NGK Spark Plug Co., Ltd.
    • Hironori Uegaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,193,311
    • Issue date Jan 29, 2019
    • NGK Spark Plug Co., Ltd.
    • Yutaka Yokoyama
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug
    • Patent number 10,153,619
    • Issue date Dec 11, 2018
    • NGK Spark Plug Co., Ltd.
    • Hironori Uegaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,090,646
    • Issue date Oct 2, 2018
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 10,084,288
    • Issue date Sep 25, 2018
    • NGK Spark Plug Co., Ltd.
    • Hironori Uegaki
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug insulator containing mullite and spark plug including same
    • Patent number 9,912,126
    • Issue date Mar 6, 2018
    • NGK Spark Plug Co., Ltd.
    • Kengo Fujimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,653,888
    • Issue date May 16, 2017
    • NGK Spark Plug Co., Ltd.
    • Yutaka Yokoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,595,814
    • Issue date Mar 14, 2017
    • NGK Spark Plug Co., Ltd.
    • Takashi Kasashima
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,590,395
    • Issue date Mar 7, 2017
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,466,951
    • Issue date Oct 11, 2016
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Insulator and spark plug
    • Patent number 9,425,585
    • Issue date Aug 23, 2016
    • NGK Spark Plug Co., Ltd.
    • Kengo Fujimura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug
    • Patent number 9,385,511
    • Issue date Jul 5, 2016
    • NGK Spark Plug Co., Ltd.
    • Hiroki Takeuchi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug
    • Patent number 9,373,940
    • Issue date Jun 21, 2016
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug with improved withstand voltage characteristics and high...
    • Patent number 9,362,722
    • Issue date Jun 7, 2016
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug
    • Patent number 9,281,662
    • Issue date Mar 8, 2016
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Insulator for spark plug and spark plug
    • Patent number 9,160,145
    • Issue date Oct 13, 2015
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Ignition plug having a rear trunk portion that provides sufficient...
    • Patent number 9,077,157
    • Issue date Jul 7, 2015
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,054,501
    • Issue date Jun 9, 2015
    • NGK Spark Plug Co., Ltd.
    • Kengo Fujimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ignition plug
    • Patent number 8,970,098
    • Issue date Mar 3, 2015
    • NGK Spark Plug Co., Ltd.
    • Toshimasa Saji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Ignition plug
    • Patent number 8,928,214
    • Issue date Jan 6, 2015
    • NGK Spark Plug Co., Ltd.
    • Toshimasa Saji
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,749,125
    • Issue date Jun 10, 2014
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug manufacturing method
    • Patent number 8,672,722
    • Issue date Mar 18, 2014
    • NGK Spark Plug Co., Ltd.
    • Kazumichi Hirose
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and process for producing spark plug
    • Patent number 8,564,184
    • Issue date Oct 22, 2013
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG
    • Publication number 20190131776
    • Publication date May 2, 2019
    • NGK Spark Plug Co., Ltd.
    • Jumpei ISASA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20190115729
    • Publication date Apr 18, 2019
    • NGK SPARK PLUG CO., LTD.
    • Toshinori TAKEICHI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20190067914
    • Publication date Feb 28, 2019
    • NGK SPARK PLUG CO., LTD.
    • Kazuhiro KUROSAWA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20190067915
    • Publication date Feb 28, 2019
    • NGK SPARK PLUG CO., LTD.
    • Kazuhiro KUROSAWA
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180375298
    • Publication date Dec 27, 2018
    • NGK Spark Plug Co., Ltd.
    • Kazuhiro KUROSAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180191138
    • Publication date Jul 5, 2018
    • NGK Spark Plug Co., Ltd.
    • Hironori UEGAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180183216
    • Publication date Jun 28, 2018
    • NGK SPARK PLUG CO., LTD.
    • Hironori UEGAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180175592
    • Publication date Jun 21, 2018
    • NGK SPARK PLUG CO., LTD.
    • Hironori UEGAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180166861
    • Publication date Jun 14, 2018
    • NGK Spark Plug Co., Ltd.
    • Kazuhiro KUROSAWA
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180048126
    • Publication date Feb 15, 2018
    • NGK Spark Plug Co., Ltd.
    • Yutaka YOKOYAMA
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SPARK PLUG
    • Publication number 20170353013
    • Publication date Dec 7, 2017
    • NGK SPARK PLUG CO., LTD.
    • Haruki YOSHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG INSULATOR PRODUCTION METHOD, INSULATOR, MOLDING DIE
    • Publication number 20170326765
    • Publication date Nov 16, 2017
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    INSULATOR AND SPARK PLUG
    • Publication number 20170256917
    • Publication date Sep 7, 2017
    • NGK Spark Plug Co., Ltd.
    • Kengo FUJIMURA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    METHOD FOR MANUFACTURING INSULATOR FOR SPARK PLUG
    • Publication number 20170250523
    • Publication date Aug 31, 2017
    • NGK Spark Plug Co., Ltd.
    • Hironori UEGAKI
    • B28 - WORKING CEMENT, CLAY, OR STONE
  • Information Patent Application

    SPARK PLUG
    • Publication number 20170214219
    • Publication date Jul 27, 2017
    • NGK Spark Plug Co., Ltd.
    • Katsuya TAKAOKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20170093134
    • Publication date Mar 30, 2017
    • NGK SPARK PLUG CO., LTD.
    • Yutaka YOKOYAMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160329687
    • Publication date Nov 10, 2016
    • NGK SPARK PLUG CO., LTD.
    • Takashi KASASHIMA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160322789
    • Publication date Nov 3, 2016
    • NGK Spark Plug Co., Ltd.
    • Katsuya TAKAOKA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150349498
    • Publication date Dec 3, 2015
    • NGK SPARK PLUG CO., LTD.
    • Katsuya TAKAOKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150325982
    • Publication date Nov 12, 2015
    • NGK SPARK PLUG CO., LTD.
    • Katsuya TAKAOKA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150288150
    • Publication date Oct 8, 2015
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150207300
    • Publication date Jul 23, 2015
    • NGK Spark Plug Co., Ltd.
    • Hiroki Takeuchi
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150047880
    • Publication date Feb 19, 2015
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    INSULATOR FOR SPARK PLUG AND SPARK PLUG
    • Publication number 20140336035
    • Publication date Nov 13, 2014
    • NGK Spark Plug Co., Ltd.
    • Katsuya TAKAOKA
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    INSULATOR AND SPARK PLUG
    • Publication number 20140243184
    • Publication date Aug 28, 2014
    • NGK SPARK PLUG CO., LTD.
    • Kengo Fujimura
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SPARK PLUG
    • Publication number 20140210335
    • Publication date Jul 31, 2014
    • NGK Spark Plug Co., Ltd.
    • Kengo Fujimura
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IGNITION PLUG
    • Publication number 20140167595
    • Publication date Jun 19, 2014
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    IGNITION PLUG
    • Publication number 20140091707
    • Publication date Apr 3, 2014
    • NGK SPARK PLUG CO., LTD.
    • Toshimasa SAJI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG MANUFACTURING METHOD
    • Publication number 20130337717
    • Publication date Dec 19, 2013
    • NGK SPARK PLUG CO., LTD.
    • Kazumichi Hirose
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG AND METHOD FOR MANUFACTURING SPARK PLUG
    • Publication number 20120319556
    • Publication date Dec 20, 2012
    • NGK Spark Plug Co., Ltd.
    • Akira Suzuki
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES