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Kokichi HAMAMOTO

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  • Fukushima-shi, Fukushima, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Sealing device
    • Patent number 11,835,136
    • Issue date Dec 5, 2023
    • NOK Corporation
    • Toshiki Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing structure for cover made of resin
    • Patent number 11,668,397
    • Issue date Jun 6, 2023
    • NOK CORPORATION
    • Shiho Shonai
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 11,460,110
    • Issue date Oct 4, 2022
    • NOK Corporation
    • Toshiki Watanabe
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing apparatus
    • Patent number 11,287,042
    • Issue date Mar 29, 2022
    • NOK Corporation
    • Yuya Sakano
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device for differential mechanism
    • Patent number 11,261,968
    • Issue date Mar 1, 2022
    • NOK Corporation
    • Hideaki Nagahamaya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal
    • Patent number D865134
    • Issue date Oct 29, 2019
    • NOK Corporation
    • Hideaki Nagahamaya
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Sealing device
    • Patent number 10,208,861
    • Issue date Feb 19, 2019
    • NOK Corporation
    • Kokichi Hamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Seal
    • Patent number D802104
    • Issue date Nov 7, 2017
    • NOK Corporation
    • Hideaki Nagahamaya
    • D23 - Environmental heating and cooling
  • Information Patent Grant

    Valve stem seal device
    • Patent number 9,303,768
    • Issue date Apr 5, 2016
    • NOK Corporation
    • Yasunari Hamaya
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device
    • Patent number 9,133,938
    • Issue date Sep 15, 2015
    • NOK Corporation
    • Kokichi Hamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Oil seal
    • Patent number 8,622,397
    • Issue date Jan 7, 2014
    • NOK Corporation
    • Kokichi Hamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    High-pressure fuel pump and seal system for high-pressure fuel pump
    • Patent number 8,573,112
    • Issue date Nov 5, 2013
    • NOK Corporation
    • Junichi Nakayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Lip type seal
    • Patent number 7,942,423
    • Issue date May 17, 2011
    • NOK Corporation
    • Yosuke Kondo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SEALING DEVICE
    • Publication number 20240026977
    • Publication date Jan 25, 2024
    • NOK Corporation
    • Hiroka YAMAGUCHI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20220163117
    • Publication date May 26, 2022
    • NOK Corporation
    • Toshiki WATANABE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING STRUCTURE FOR COVER MADE OF RESIN
    • Publication number 20210215251
    • Publication date Jul 15, 2021
    • NOK Corporation
    • Shiho SHONAI
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20210080007
    • Publication date Mar 18, 2021
    • NOK Corporation
    • Toshiki WATANABE
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200124178
    • Publication date Apr 23, 2020
    • NOK Corporation
    • Yuya SAKANO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20200011423
    • Publication date Jan 9, 2020
    • NOK Corporation
    • Sosuke ITO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING APPARATUS
    • Publication number 20190277403
    • Publication date Sep 12, 2019
    • NOK Corporation
    • Yuya SAKANO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE FOR DIFFERENTIAL MECHANISM
    • Publication number 20180209546
    • Publication date Jul 26, 2018
    • NOK Corporation
    • Hideaki NAGAHAMAYA
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20170122438
    • Publication date May 4, 2017
    • NOK Corporation
    • Kokichi HAMAMOTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Sealing Device
    • Publication number 20150097344
    • Publication date Apr 9, 2015
    • NOK Corporation
    • Kokichi HAMAMOTO
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    VALVE STEM SEAL DEVICE
    • Publication number 20140077459
    • Publication date Mar 20, 2014
    • NOK Corporation
    • Yasunari Hamaya
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    OIL SEAL
    • Publication number 20130175764
    • Publication date Jul 11, 2013
    • NOK Corporation
    • Kokichi Hamamoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Lip Type Seal
    • Publication number 20090302549
    • Publication date Dec 10, 2009
    • NOK Corporation
    • Yosuke Kondo
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    SEALING DEVICE
    • Publication number 20090256315
    • Publication date Oct 15, 2009
    • NOK Corporation
    • Kokichi HAMAMOTO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    High-Pressure Fuel Pump and Seal System For High-Pressure Fuel Pump
    • Publication number 20090008883
    • Publication date Jan 8, 2009
    • DENSO CORPORATION
    • Junichi Nakayama
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...