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Takaya Yoshikawa

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Patents Grantslast 30 patents

  • Information Patent Grant

    Catalyst apparatus for internal combustion engine
    • Patent number 10,408,104
    • Issue date Sep 10, 2019
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Ammonia generation apparatus and ammonia generation control apparatus
    • Patent number 10,300,435
    • Issue date May 28, 2019
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • C01 - INORGANIC CHEMISTRY
  • Information Patent Grant

    Exhaust gas temperature control apparatus and exhaust gas temperatu...
    • Patent number 10,047,658
    • Issue date Aug 14, 2018
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas sensor
    • Patent number 9,995,707
    • Issue date Jun 12, 2018
    • NGK Spark Plug Co., Ltd.
    • Tomoki Fujii
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Particulate collection system and particulate collection apparatus
    • Patent number 9,964,017
    • Issue date May 8, 2018
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas sensor
    • Patent number 9,733,207
    • Issue date Aug 15, 2017
    • NGK Spark Plug Co., Ltd.
    • Tomoki Fujii
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 9,032,779
    • Issue date May 19, 2015
    • NGK Spark Plug Co., Ltd.
    • Masanori Otsubo
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 9,003,866
    • Issue date Apr 14, 2015
    • NGK Spark Plug Co., Ltd.
    • Masao Tsuzuki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor and manufacturing method therefor
    • Patent number 8,806,918
    • Issue date Aug 19, 2014
    • NGK Spark Plug Co., Ltd.
    • Kunihiko Yonezu
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 8,764,955
    • Issue date Jul 1, 2014
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 8,702,934
    • Issue date Apr 22, 2014
    • NGK Spark Plug Co., Ltd.
    • Masao Tsuzuki
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Intake system for internal combustion engine
    • Patent number 8,594,908
    • Issue date Nov 26, 2013
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Sensor
    • Patent number 7,921,692
    • Issue date Apr 12, 2011
    • NGK Spark Plug Co., Ltd.
    • Hiroshi Isomura
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Glow plug and method for manufacturing the same
    • Patent number 7,692,118
    • Issue date Apr 6, 2010
    • NGK Spark Plug Co., Ltd.
    • Shinsuke Itoh
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Sensor
    • Patent number 7,559,224
    • Issue date Jul 14, 2009
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 7,560,012
    • Issue date Jul 14, 2009
    • NGK Spark Plug Co., Ltd.
    • Takafumi Shichida
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Glow plug
    • Patent number 7,420,139
    • Issue date Sep 2, 2008
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Glow plug
    • Patent number 7,115,836
    • Issue date Oct 3, 2006
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Ceramic heater with ring member electrically connecting the heater...
    • Patent number 7,034,253
    • Issue date Apr 25, 2006
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Glow plug and method of manufacturing the same
    • Patent number 6,881,930
    • Issue date Apr 19, 2005
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Glow plug and glow-plug-mounting structure
    • Patent number 6,844,525
    • Issue date Jan 18, 2005
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Ceramic heater and its manufacturing method, glow plug and ion curr...
    • Patent number 6,646,231
    • Issue date Nov 11, 2003
    • NGK Spark Plug Co., Ltd.
    • Nobuyuki Hotta
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Grant

    Connection device for ceramic gas sensor element
    • Patent number 6,311,543
    • Issue date Nov 6, 2001
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Electronic component having terminal connecting leads with a high t...
    • Patent number 6,082,175
    • Issue date Jul 4, 2000
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Ceramic-metal composite assembly
    • Patent number 5,937,708
    • Issue date Aug 17, 1999
    • NGK Spark Plug Co., Ltd.
    • Masaya Ito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ceramic-metal composite assembly
    • Patent number 5,881,607
    • Issue date Mar 16, 1999
    • NGK Spark Plug Co., Ltd.
    • Masaya Ito
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Ceramic-metal composite assembly
    • Patent number 5,585,163
    • Issue date Dec 17, 1996
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Combined body of ceramics and metal
    • Patent number 5,264,295
    • Issue date Nov 23, 1993
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Supercharger
    • Patent number 5,174,733
    • Issue date Dec 29, 1992
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Ceramic rotor and metal shaft assembly
    • Patent number 5,129,784
    • Issue date Jul 14, 1992
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR

Patents Applicationslast 30 patents

  • Information Patent Application

    CATALYST APPARATUS FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20180291788
    • Publication date Oct 11, 2018
    • NGK Spark Plug Co., Ltd.
    • Takaya YOSHIKAWA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CATALYST APPARATUS FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20180291785
    • Publication date Oct 11, 2018
    • NGK Spark Plug Co., Ltd.
    • Takaya YOSHIKAWA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PARTICULATE COLLECTION SYSTEM AND PARTICULATE COLLECTION APPARATUS
    • Publication number 20170306826
    • Publication date Oct 26, 2017
    • NGK SPARK PLUG CO., LTD.
    • Takaya YOSHIKAWA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GAS SENSOR
    • Publication number 20160274053
    • Publication date Sep 22, 2016
    • NGK SPARK PLUG CO., LTD.
    • Tomoki FUJII
    • G01 - MEASURING TESTING
  • Information Patent Application

    EXHAUST GAS TEMPERATURE CONTROL APPARATUS AND EXHAUST GAS TEMPERATU...
    • Publication number 20160251993
    • Publication date Sep 1, 2016
    • NGK SPARK PLUG CO., LTD.
    • Takaya YOSHIKAWA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    PARTICULATE COLLECTION SYSTEM AND PARTICULATE COLLECTION APPARATUS
    • Publication number 20160251994
    • Publication date Sep 1, 2016
    • NGK SPARK PLUG CO., LTD.
    • Takaya YOSHIKAWA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    AMMONIA GENERATION APPARATUS AND AMMONIA GENERATION CONTROL APPARATUS
    • Publication number 20160250592
    • Publication date Sep 1, 2016
    • NGK Spark Plug Co., Ltd.
    • Takaya YOSHIKAWA
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    GAS SENSOR
    • Publication number 20140138245
    • Publication date May 22, 2014
    • NGK SPARK PLUG CO., LTD.
    • Tomoki FUJII
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20120118039
    • Publication date May 17, 2012
    • NGK SPARK PLUG CO., LTD.
    • Masao TSUZUKI
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR AND MANUFACTURING METHOD THEREFOR
    • Publication number 20120055234
    • Publication date Mar 8, 2012
    • NGK SPARK PLUG CO., LTD.
    • Kunihiko YONEZU
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20120018305
    • Publication date Jan 26, 2012
    • NGK SPARK PLUG CO., LTD.
    • Takaya YOSHIKAWA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20110209523
    • Publication date Sep 1, 2011
    • NGK Spark Plug Co., Ltd.
    • Masanori Otsubo
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20110174617
    • Publication date Jul 21, 2011
    • NGK SPARK PLUG CO., LTD.
    • Masao TSUZUKI
    • G01 - MEASURING TESTING
  • Information Patent Application

    INTAKE SYSTEM FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20100313863
    • Publication date Dec 16, 2010
    • NGK SPARK PLUG CO., LTD.
    • Takaya YOSHIKAWA
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    SENSOR
    • Publication number 20090263286
    • Publication date Oct 22, 2009
    • Hiroshi ISOMURA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20090200164
    • Publication date Aug 13, 2009
    • NGK SPARK PLUG CO., LTD.
    • Takaya Yoshikawa
    • G01 - MEASURING TESTING
  • Information Patent Application

    SENSOR
    • Publication number 20080302171
    • Publication date Dec 11, 2008
    • Hiroshi ISOMURA
    • G01 - MEASURING TESTING
  • Information Patent Application

    Glow plug and method for manufacturing the same
    • Publication number 20080142496
    • Publication date Jun 19, 2008
    • NGK SPARK PLUG CO., LTD.
    • Shinsuke Itoh
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Sensor
    • Publication number 20070141911
    • Publication date Jun 21, 2007
    • NGK SPARK PLUG CO., LTD.
    • Takaya Yoshikawa
    • G01 - MEASURING TESTING
  • Information Patent Application

    Glow plug
    • Publication number 20070056949
    • Publication date Mar 15, 2007
    • NGK Spark Plug Co., Ltd.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Glow plug
    • Publication number 20050284860
    • Publication date Dec 29, 2005
    • NGK SPARK PLUG CO. LTD.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Gas sensor
    • Publication number 20050241937
    • Publication date Nov 3, 2005
    • NGK Spark Plug Co., Ltd.
    • Takafumi Shichida
    • G01 - MEASURING TESTING
  • Information Patent Application

    Heater
    • Publication number 20040262282
    • Publication date Dec 30, 2004
    • NGK SPARK PLUG CO., LTD.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Glow plug and method of manufacturing the same
    • Publication number 20040178185
    • Publication date Sep 16, 2004
    • NGK SPARK PLUG CO., LTD.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Glow plug and glow-plug-mounting structure
    • Publication number 20040124754
    • Publication date Jul 1, 2004
    • NGK SPARK PLUG CO., LTD.
    • Takaya Yoshikawa
    • F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
  • Information Patent Application

    Ceramic heater and its manufacturing method, glow plug and ion curr...
    • Publication number 20020175156
    • Publication date Nov 28, 2002
    • Nobuyuki Hotta
    • H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR