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Kazuyuki Yamaguchi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Control device for magnetic bearing and control method
    • Patent number 11,137,026
    • Issue date Oct 5, 2021
    • Hitachi, Ltd.
    • Toyomi Yoshida
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Turbomachine
    • Patent number 10,718,348
    • Issue date Jul 21, 2020
    • Hitachi Industrial Products, Ltd.
    • Kazuyuki Yamaguchi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Sealing device and turbo machine
    • Patent number 10,260,366
    • Issue date Apr 16, 2019
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Kazuyuki Yamaguchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Rotating fluid machine
    • Patent number 9,995,164
    • Issue date Jun 12, 2018
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Noriyo Nishijima
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Barrel-shaped centrifugal compressor
    • Patent number 9,004,857
    • Issue date Apr 14, 2015
    • Hitachi, Ltd.
    • Yohei Magara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbomachinery
    • Patent number 8,388,311
    • Issue date Mar 5, 2013
    • Hitachi, Ltd.
    • Kazuyuki Yamaguchi
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Mobile communication system, mobile communication method and mobile...
    • Patent number 7,248,859
    • Issue date Jul 24, 2007
    • NEC Corporation
    • Kazuyuki Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Repeater, mobile radio communication system, fault notification met...
    • Patent number 7,031,654
    • Issue date Apr 18, 2006
    • NEC Corporation
    • Kazuyuki Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Congestion control method and system
    • Patent number 6,952,422
    • Issue date Oct 4, 2005
    • NEC Corporation
    • Kazuyuki Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Mobile communication system, mobile communication method and mobile...
    • Patent number 6,871,065
    • Issue date Mar 22, 2005
    • NEC Corporation
    • Kazuyuki Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Control Device for Magnetic Bearing and Control Method
    • Publication number 20200080591
    • Publication date Mar 12, 2020
    • Hitachi, Ltd
    • Toyomi YOSHIDA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Turbomachine
    • Publication number 20170260991
    • Publication date Sep 14, 2017
    • Hitachi, Ltd
    • Kazuyuki YAMAGUCHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Downhole Compressor
    • Publication number 20160273324
    • Publication date Sep 22, 2016
    • Hitachi, Ltd
    • Kazuyuki YAMAGUCHI
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    Sealing Device and Turbo Machine
    • Publication number 20160130965
    • Publication date May 12, 2016
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Kazuyuki YAMAGUCHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    ROTATING FLUID MACHINE
    • Publication number 20150369075
    • Publication date Dec 24, 2015
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Noriyo NISHIJIMA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Axial Flow Machine
    • Publication number 20150260042
    • Publication date Sep 17, 2015
    • MITSUBISHI HITACHI POWER SYSTEMS, LTD.
    • Noriyo Nishijima
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Turbo Machinery
    • Publication number 20130223998
    • Publication date Aug 29, 2013
    • Hitachi, Ltd
    • Akira ENDO
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Application

    Labyrinth Seals for Turbomachinery
    • Publication number 20120121411
    • Publication date May 17, 2012
    • Hitachi, Ltd
    • Akira ENDO
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    BARREL-SHAPED CENTRIFUGAL COMPRESSOR
    • Publication number 20110318163
    • Publication date Dec 29, 2011
    • Hitachi Plant Technologies, Ltd.
    • Yohei Magara
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBOMACHINERY
    • Publication number 20100166544
    • Publication date Jul 1, 2010
    • Hitachi, Ltd
    • Kazuyuki Yamaguchi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR
    • Publication number 20100034646
    • Publication date Feb 11, 2010
    • Hitachi Plant Technologies, Ltd.
    • Yohei MAGARA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Mobile communication system, mobile communication method and mobile...
    • Publication number 20050085229
    • Publication date Apr 21, 2005
    • NEC Corporation
    • Kazuyuki Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Repeater, mobile radio communication system, fault notification met...
    • Publication number 20010044275
    • Publication date Nov 22, 2001
    • NEC Corporation
    • Kazuyuki Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Congestion control method and system
    • Publication number 20010038609
    • Publication date Nov 8, 2001
    • NEC Corporation
    • Kazuyuki Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Mobile communication system, mobile communication method and mobile...
    • Publication number 20010029177
    • Publication date Oct 11, 2001
    • NEC Corporation
    • Kazuyuki Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE