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Katsuya TAKAOKA

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Patents Grantslast 30 patents

  • 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 having the thickness of a magnetic member without excess...
    • Patent number 10,153,622
    • 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 having a resistor element
    • Patent number 9,997,894
    • Issue date Jun 12, 2018
    • NGK Spark Plug Co., Ltd.
    • Hironori Uegaki
    • 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

    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

    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 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
  • Information Patent Grant

    Spark plug and method for manufacturing spark plug
    • Patent number 8,564,183
    • Issue date Oct 22, 2013
    • NGK Spark Plug Co., Ltd.
    • Akira Suzuki
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug and process for producing spark plug
    • Patent number 8,482,187
    • Issue date Jul 9, 2013
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug and method for manufacturing spark plug
    • Patent number 8,390,183
    • Issue date Mar 5, 2013
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug with alumina-based insulator
    • Patent number 8,278,809
    • Issue date Oct 2, 2012
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Spark plug having particular insulator
    • Patent number 8,093,791
    • Issue date Jan 10, 2012
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    DUST CORE
    • Publication number 20220059263
    • Publication date Feb 24, 2022
    • Hiroshi WATANABE
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Application

    HOLDING DEVICE AND METHOD OF MANUFACTURING HOLDING DEVICE
    • Publication number 20210037613
    • Publication date Feb 4, 2021
    • NGK Spark Plug Co., Ltd.
    • Ryunosuke SAKAMAKI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    HOLDING DEVICE AND METHOD OF MANUFACTURING HOLDING DEVICE
    • Publication number 20200404747
    • Publication date Dec 24, 2020
    • NGK Spark Plug Co., Ltd.
    • Ryunosuke SAKAMAKI
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • 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 20180358784
    • Publication date Dec 13, 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 20170288374
    • Publication date Oct 5, 2017
    • NGK SPARK PLUG CO., LTD.
    • Hironori UEGAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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

    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
  • Information Patent Application

    SPARK PLUG AND PROCESS FOR PRODUCING SPARK PLUG
    • Publication number 20120262049
    • Publication date Oct 18, 2012
    • Hirokazu Kurono
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SPARK PLUG AND PROCESS FOR PRODUCING SPARK PLUG
    • Publication number 20120187819
    • Publication date Jul 26, 2012
    • NGK SPARK PLUG CO., LTD.
    • Katsuya Takaoka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SPARK PLUG
    • Publication number 20120080996
    • Publication date Apr 5, 2012
    • NGK Spark Plug Co., Ltd.
    • Katsuya Takaoka
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SPARK PLUG
    • Publication number 20120007489
    • Publication date Jan 12, 2012
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SPARK PLUG AND METHOD FOR MANUFACTURING SPARK PLUG
    • Publication number 20100136867
    • Publication date Jun 3, 2010
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    SPARK PLUG
    • Publication number 20100084960
    • Publication date Apr 8, 2010
    • NGK Spark Plug Co., Ltd.
    • Hirokazu Kurono
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES