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Haruki YOSHIDA

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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark plug
    • Patent number 12,003,078
    • Issue date Jun 4, 2024
    • NGK Spark Plug Co., Ltd.
    • Hiroki Shimada
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 11,183,819
    • Issue date Nov 23, 2021
    • NGK Spark Plug Co., Ltd.
    • Yutaka Yokoyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug that has an insulator less likely to be damaged
    • Patent number 11,146,041
    • Issue date Oct 12, 2021
    • NGK Spark Plug Co., Ltd.
    • Hiroki Shimada
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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
    • Patent number 10,586,627
    • Issue date Mar 10, 2020
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • 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 10,348,061
    • Issue date Jul 9, 2019
    • NGK Spark Plug Co., Ltd.
    • Hideto Yamada
    • B82 - NANO-TECHNOLOGY
  • 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 an insulator with a front end portion having f...
    • Patent number 10,305,260
    • Issue date May 28, 2019
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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 10,014,665
    • Issue date Jul 3, 2018
    • NGK Spark Plug Co., Ltd.
    • Jumpei Kita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,912,125
    • Issue date Mar 6, 2018
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,755,404
    • Issue date Sep 5, 2017
    • NGK Spark Plug Co., Ltd.
    • Jumpei Isasa
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,711,951
    • Issue date Jul 18, 2017
    • NGK Spark Plug Co., Ltd.
    • Yoshitomo Iwasaki
    • 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 9,614,354
    • Issue date Apr 4, 2017
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • 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 9,570,889
    • Issue date Feb 14, 2017
    • NGK Spark Plug Co., Ltd.
    • Kengo Fujimura
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,484,718
    • Issue date Nov 1, 2016
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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
    • Patent number 9,312,664
    • Issue date Apr 12, 2016
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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

    Spark plug with internal resistor having Ti and Zr components
    • Patent number 9,160,144
    • Issue date Oct 13, 2015
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug and manufacturing method for same
    • Patent number 9,160,147
    • Issue date Oct 13, 2015
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,124,073
    • Issue date Sep 1, 2015
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 9,035,541
    • Issue date May 19, 2015
    • NGK Spark Plug Co., Ltd.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,987,980
    • Issue date Mar 24, 2015
    • NGK Spark Plug Co., Ltd.
    • Jumpei Kita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Spark plug
    • Patent number 8,963,407
    • Issue date Feb 24, 2015
    • NGK Spark Plug Co., Ltd.
    • Satoru Ochiai
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPARK PLUG
    • Publication number 20230008031
    • Publication date Jan 12, 2023
    • NGK Spark Plug Co., Ltd.
    • Hiroki SHIMADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20210257816
    • Publication date Aug 19, 2021
    • NGK Spark Plug Co., Ltd.
    • Hiroki SHIMADA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20200112146
    • Publication date Apr 9, 2020
    • NGK SPARK PLUG CO., LTD.
    • Yutaka Yokoyama
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • 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 20190020181
    • Publication date Jan 17, 2019
    • NGK SPARK PLUG CO., LTD.
    • Haruki YOSHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180374601
    • Publication date Dec 27, 2018
    • NGK SPARK PLUG CO., LTD.
    • Haruki YOSHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20180375299
    • Publication date Dec 27, 2018
    • NGK SPARK PLUG CO., LTD.
    • Hideto YAMADA
    • B82 - NANO-TECHNOLOGY
  • 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 20170353013
    • Publication date Dec 7, 2017
    • NGK SPARK PLUG CO., LTD.
    • Haruki YOSHIDA
    • 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 20170093132
    • Publication date Mar 30, 2017
    • NGK Spark Plug Co., Ltd.
    • Jumpei ISASA
    • 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 20170093133
    • Publication date Mar 30, 2017
    • NGK SPARK PLUG CO., LTD.
    • Haruki YOSHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20170018909
    • Publication date Jan 19, 2017
    • NGK SPARK PLUG CO., LTD.
    • Kengo FUJIMURA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • 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 20160285242
    • Publication date Sep 29, 2016
    • NGK Spark Plug Co., Ltd.
    • Yoshitomo IWASAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160204580
    • Publication date Jul 14, 2016
    • NGK Spark Plug Co., Ltd.
    • Haruki YOSHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160204579
    • Publication date Jul 14, 2016
    • NGK Spark Plug Co., Ltd.
    • Haruki YOSHIDA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20160087410
    • Publication date Mar 24, 2016
    • NGK SPARK PLUG CO., LTD.
    • Jumpei KITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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 20150318672
    • Publication date Nov 5, 2015
    • NGK SPARK PLUG CO., LTD.
    • Yoshitomo IWASAKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150214697
    • Publication date Jul 30, 2015
    • NGK SPARK PLUG CO., LTD.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150069902
    • Publication date Mar 12, 2015
    • NGK Spark Plug Co., Ltd.
    • Jumpei KITA
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20150061485
    • Publication date Mar 5, 2015
    • NGK SPARK PLUG CO., LTD.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20140091700
    • Publication date Apr 3, 2014
    • NGK SPARK PLUG CO., LTD.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20130307402
    • Publication date Nov 21, 2013
    • NGK SPARK PLUG CO., LTD.
    • Haruki Yoshida
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    SPARK PLUG
    • Publication number 20130285534
    • Publication date Oct 31, 2013
    • NGK Spark Plug Co., Ltd.
    • Satoru Ochiai
    • H01 - BASIC ELECTRIC ELEMENTS