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Toshihiro HIRAKAWA

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  • Nagoya-City, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Metal terminal
    • Patent number 11,879,864
    • Issue date Jan 23, 2024
    • NGK Insulators, Ltd.
    • Yusuke Watanabe
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas sensor
    • Patent number 11,815,485
    • Issue date Nov 14, 2023
    • NGK Insulators, Ltd.
    • Shotaro Niizuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Sensor
    • Patent number 11,656,151
    • Issue date May 23, 2023
    • NGK Insulators, Ltd.
    • Yusuke Watanabe
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Gas sensor
    • Patent number 11,609,206
    • Issue date Mar 21, 2023
    • NGK Insulators, Ltd.
    • Shotaro Niizuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 11,604,161
    • Issue date Mar 14, 2023
    • NGK Insulators, Ltd.
    • Shotaro Niizuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor
    • Patent number 11,585,781
    • Issue date Feb 21, 2023
    • NGK Insulators, Ltd.
    • Yusuke Watanabe
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Gas sensor with angled sealing element
    • Patent number 11,573,197
    • Issue date Feb 7, 2023
    • NGK Insulators, Ltd.
    • Shotaro Niizuma
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Manufacturing method of honeycomb structure forming die, and honeyc...
    • Patent number 10,710,324
    • Issue date Jul 14, 2020
    • NGK Insulators, Ltd.
    • Toshihiro Hirakawa
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Plugged honeycomb structure and plugged honeycomb segment
    • Patent number 10,696,010
    • Issue date Jun 30, 2020
    • NGK Insulators, Ltd.
    • Kazuya Mori
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Honeycomb structure
    • Patent number 10,632,709
    • Issue date Apr 28, 2020
    • NGK Insulators, Ltd.
    • Akifumi Kawakami
    • B32 - LAYERED PRODUCTS
  • Information Patent Grant

    Plugged honeycomb structure
    • Patent number 10,232,300
    • Issue date Mar 19, 2019
    • NGK Insulators, Ltd.
    • Yuichi Hamazaki
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Plugged honeycomb structure and plugged honeycomb segment
    • Patent number 10,118,121
    • Issue date Nov 6, 2018
    • NGK Insulators, Ltd.
    • Kazuya Mori
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Exhaust gas purification filter, exhaust gas purifier, and method o...
    • Patent number 10,024,209
    • Issue date Jul 17, 2018
    • NGK Insulators, Ltd.
    • Yukio Miyairi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Plugged honeycomb structure and plugged honeycomb segment
    • Patent number 9,987,582
    • Issue date Jun 5, 2018
    • NGK Insulators, Ltd.
    • Kazuya Mori
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Honeycomb filter
    • Patent number 9,803,596
    • Issue date Oct 31, 2017
    • NGK Insulators, Ltd.
    • Yukio Miyairi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Honeycomb filter
    • Patent number 9,700,842
    • Issue date Jul 11, 2017
    • NGK Insulators, Ltd.
    • Yukio Miyairi
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Filter for removing particle matter
    • Patent number D763428
    • Issue date Aug 9, 2016
    • NGK Insulators, Ltd.
    • Yosuke Uesaka
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Plugged honeycomb structure
    • Patent number 9,289,711
    • Issue date Mar 22, 2016
    • NGK Insulators, Ltd.
    • Toshihiro Hirakawa
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Grant

    Dust collecting honeycomb filter
    • Patent number 9,205,363
    • Issue date Dec 8, 2015
    • NGK Insulators, Ltd.
    • Toshio Yamada
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Filter element
    • Patent number 9,080,479
    • Issue date Jul 14, 2015
    • NGK Insulators, Ltd.
    • Satoshi Sakashita
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Honeycomb structure
    • Patent number 8,911,849
    • Issue date Dec 16, 2014
    • NGK Insulators, Ltd.
    • Hirofumi Sakamoto
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Holding jig, measurement device and holding device using the same
    • Patent number 8,511,659
    • Issue date Aug 20, 2013
    • NGK Insulators, Ltd.
    • Toshihiro Hirakawa
    • B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
  • Information Patent Grant

    Honeycomb structure
    • Patent number 7,572,497
    • Issue date Aug 11, 2009
    • NKG Insulators, Ltd.
    • Toshihiro Hirakawa
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Honeycomb filter and method of manufacturing the same
    • Patent number 7,488,367
    • Issue date Feb 10, 2009
    • NGK Insulators, Ltd.
    • Yoshiyuki Kasai
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Grant

    Honeycomb structure
    • Patent number 7,429,416
    • Issue date Sep 30, 2008
    • NGK Insulators, Ltd.
    • Toshihiro Hirakawa
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC

Patents Applicationslast 30 patents

  • Information Patent Application

    SENSOR ELEMENT AND GAS SENSOR
    • Publication number 20230314363
    • Publication date Oct 5, 2023
    • NGK Insulators, Ltd.
    • Shotaro NIIZUMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20230304963
    • Publication date Sep 28, 2023
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR ELEMENT
    • Publication number 20230243775
    • Publication date Aug 3, 2023
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20230194463
    • Publication date Jun 22, 2023
    • NGK Insulators, Ltd.
    • Yohei GORO
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR ELEMENT
    • Publication number 20230112530
    • Publication date Apr 13, 2023
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR ELEMENT
    • Publication number 20230098074
    • Publication date Mar 30, 2023
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    SENSOR ELEMENT AND GAS SENSOR
    • Publication number 20230091237
    • Publication date Mar 23, 2023
    • NGK Insulators, Ltd.
    • Shotaro NIIZUMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20220373503
    • Publication date Nov 24, 2022
    • NGK Insulators, Ltd.
    • Shotaro NIIZUMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20220317083
    • Publication date Oct 6, 2022
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    SENSOR
    • Publication number 20220316985
    • Publication date Oct 6, 2022
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    SENSOR ELEMENT
    • Publication number 20220308011
    • Publication date Sep 29, 2022
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20220113277
    • Publication date Apr 14, 2022
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20220113278
    • Publication date Apr 14, 2022
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20220113279
    • Publication date Apr 14, 2022
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20210247355
    • Publication date Aug 12, 2021
    • NGK Insulators, Ltd.
    • Shotaro NIIZUMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    METAL TERMINAL
    • Publication number 20210172902
    • Publication date Jun 10, 2021
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20210140916
    • Publication date May 13, 2021
    • NGK Insulators, Ltd.
    • Shotaro NIIZUMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20210096117
    • Publication date Apr 1, 2021
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20210080421
    • Publication date Mar 18, 2021
    • NGK Insulators, Ltd.
    • Shotaro NIIZUMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20210080424
    • Publication date Mar 18, 2021
    • NGK Insulators, Ltd.
    • Shotaro NIIZUMA
    • G01 - MEASURING TESTING
  • Information Patent Application

    GAS SENSOR
    • Publication number 20210063342
    • Publication date Mar 4, 2021
    • NGK Insulators, Ltd.
    • Yusuke WATANABE
    • G01 - MEASURING TESTING
  • Information Patent Application

    HONEYCOMB STRUCTURE
    • Publication number 20170266908
    • Publication date Sep 21, 2017
    • NGK Insulators, Ltd.
    • Akifumi KAWAKAMI
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    MANUFACTURING METHOD OF HONEYCOMB STRUCTURE FORMING DIE, AND HONEYC...
    • Publication number 20170259460
    • Publication date Sep 14, 2017
    • NGK Insulators, Ltd.
    • Toshihiro HIRAKAWA
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Application

    PLUGGED HONEYCOMB STRUCTURE
    • Publication number 20170128874
    • Publication date May 11, 2017
    • NGK Insulators, Ltd.
    • Yuichi HAMAZAKI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PLUGGED HONEYCOMB STRUCTURE AND PLUGGED HONEYCOMB SEGMENT
    • Publication number 20170056805
    • Publication date Mar 2, 2017
    • NGK Insulators, Ltd.
    • Kazuya MORI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    PLUGGED HONEYCOMB STRUCTURE AND PLUGGED HONEYCOMB SEGMENT
    • Publication number 20170057196
    • Publication date Mar 2, 2017
    • NGK Insulators, Ltd.
    • Kazuya MORI
    • B32 - LAYERED PRODUCTS
  • Information Patent Application

    PLUGGED HONEYCOMB STRUCTURE AND PLUGGED HONEYCOMB SEGMENT
    • Publication number 20170056804
    • Publication date Mar 2, 2017
    • NGK Insulators, Ltd.
    • Kazuya MORI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    EXHAUST GAS PURIFICATION FILTER, EXHAUST GAS PURIFIER, AND METHOD O...
    • Publication number 20160281562
    • Publication date Sep 29, 2016
    • NGK Insulators, Ltd.
    • Yukio MIYAIRI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    HONEYCOMB FILTER
    • Publication number 20160067653
    • Publication date Mar 10, 2016
    • NGK Insulators, Ltd.
    • Yukio MIYAIRI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
  • Information Patent Application

    HONEYCOMB FILTER
    • Publication number 20160069308
    • Publication date Mar 10, 2016
    • NGK Insulators, Ltd.
    • Yukio MIYAIRI
    • B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL