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Masahiro ASAI

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  • Nagoya-shi,, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas sensor
    • Patent number 11,609,215
    • Issue date Mar 21, 2023
    • NGK Spark Plug Co., Ltd.
    • Daisuke Matsuyama
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 11,531,002
    • Issue date Dec 20, 2022
    • NGK Spark Plug Co., Ltd.
    • Daisuke Matsuyama
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas sensor
    • Patent number 9,151,728
    • Issue date Oct 6, 2015
    • NGK Spark Plug Co., Ltd.
    • Hidekazu Kato
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Crimp contact, crimp contact with an electrical lead, gas sensor in...
    • Patent number 8,721,855
    • Issue date May 13, 2014
    • NGK Spark Plug Co. Ltd.
    • Hisaharu Nishio
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor and gas sensor unit
    • Patent number 8,215,153
    • Issue date Jul 10, 2012
    • NGK Spark Plug Co., Ltd.
    • Yoshiaki Matsubara
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Water-repellent filter, a method of manufacturing a water-repellent...
    • Patent number 7,562,555
    • Issue date Jul 21, 2009
    • NGK Spark Plug Co., Ltd.
    • Hisaharu Nishio
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor and method of producing the same
    • Patent number 6,513,363
    • Issue date Feb 4, 2003
    • NGK Spark Plug Co., Ltd.
    • Masahiro Asai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 6,500,322
    • Issue date Dec 31, 2002
    • NGK Spark Plug Co., Ltd.
    • Shoji Akatsuka
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor and method of producing the same
    • Patent number 6,446,489
    • Issue date Sep 10, 2002
    • NGK Spark Plug Co., Ltd.
    • Masahiro Asai
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Oxygen sensor
    • Patent number 6,383,353
    • Issue date May 7, 2002
    • NGK Spark Plug Co., Ltd.
    • Shoji Akatsuka
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    GAS SENSOR
    • Publication number 20210132016
    • Publication date May 6, 2021
    • NGK SPARK PLUG CO., LTD.
    • Daisuke MATSUYAMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20200292485
    • Publication date Sep 17, 2020
    • NGK SPARK PLUG CO., LTD.
    • Daisuke MATSUYAMA
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    GAS SENSOR
    • Publication number 20120304735
    • Publication date Dec 6, 2012
    • NGK Spark Plug Co., Ltd.
    • Hidekazu Kato
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR AND GAS SENSOR UNIT
    • Publication number 20100050740
    • Publication date Mar 4, 2010
    • NGK SPARK PLUG CO., LTD.
    • Yoshiaki MATSUBARA
    • G01 - MEASURING TESTING
  • Information Patent Application

    Crimp contact, crimp contact with an electrical lead, gas sensor in...
    • Publication number 20070128955
    • Publication date Jun 7, 2007
    • NGK SPARK PLUG CO., LTD.
    • Hisaharu Nishio
    • G01 - MEASURING TESTING
  • Information Patent Application

    Water-repellent filter, a method of manufacturing a water-repellent...
    • Publication number 20070017193
    • Publication date Jan 25, 2007
    • NGK SPARK PLUG CO., LTD.
    • Hisaharu Nishio
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    Crimp contact and gas sensor
    • Publication number 20060288757
    • Publication date Dec 28, 2006
    • NGK SPARK PLUG CO., LTD.
    • Hisaharu Nishio
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Gas sensor and method of producing the same
    • Publication number 20020178788
    • Publication date Dec 5, 2002
    • NGK SPARK PLUG CO., LTD.
    • Masahiro Asai
    • G01 - MEASURING TESTING
  • Information Patent Application

    Gas sensor and method of producing the same
    • Publication number 20010004843
    • Publication date Jun 28, 2001
    • Masahiro Asai
    • G01 - MEASURING TESTING
  • Information Patent Application

    Gas sensor
    • Publication number 20010002651
    • Publication date Jun 7, 2001
    • Shoji Akatsuka
    • G01 - MEASURING TESTING