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Hiromi KOBAYASHI

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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal compressor
    • Patent number 12,146,504
    • Issue date Nov 19, 2024
    • Hitachi Industrial Products, Ltd.
    • Kiyotaka Hiradate
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage centrifugal compressor
    • Patent number 12,049,903
    • Issue date Jul 30, 2024
    • Hitachi Industrial Products, Inc.
    • Kiyotaka Hiradate
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Impeller and turbomachinery including the impeller
    • Patent number 9,157,450
    • Issue date Oct 13, 2015
    • Hitachi, Ltd.
    • Kazuyuki Sugimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo machinery
    • Patent number 8,616,843
    • Issue date Dec 31, 2013
    • Hitachi Plant Technologies, Ltd.
    • Takanori Shibata
    • F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
  • Information Patent Grant

    Centrifugal compressor
    • Patent number 8,475,131
    • Issue date Jul 2, 2013
    • Hitachi Plant Technologies, Ltd.
    • Takanori Shibata
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Welding method and welding apparatus for an impeller
    • Patent number 8,426,766
    • Issue date Apr 23, 2013
    • Hitachi Plant Technologies, Ltd.
    • Takeshi Tsukamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Welding slot sealing structure and welding method
    • Patent number 8,408,873
    • Issue date Apr 2, 2013
    • Hitachi Plant Technologies, Ltd.
    • Masaaki Iwasa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Centrifugal compressor having vaneless diffuser and vaneless diffus...
    • Patent number 8,313,290
    • Issue date Nov 20, 2012
    • Hitachi Plant Technologies, Ltd.
    • Masanori Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor, impeller and operating method of the same
    • Patent number 8,308,420
    • Issue date Nov 13, 2012
    • Hitachi Plant Technologies, Ltd.
    • Manabu Yagi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage centrifugal compressor
    • Patent number 8,287,236
    • Issue date Oct 16, 2012
    • Hitachi Plant Technologies, Ltd.
    • Hideo Nishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Multistage centrifugal compressor
    • Patent number 8,267,644
    • Issue date Sep 18, 2012
    • Hitachi Plant Technologies, Ltd.
    • Hideo Nishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo compressor
    • Patent number 6,692,224
    • Issue date Feb 17, 2004
    • Hitachi, Ltd.
    • Haruo Miura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Labyrinth sealing device, and fluid machine providing the same
    • Patent number 6,435,822
    • Issue date Aug 20, 2002
    • Hitachi, Ltd.
    • Hiromi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Labyrinth sealing device, and fluid machine providing the same
    • Patent number 6,302,645
    • Issue date Oct 16, 2001
    • Hitachi, Ltd.
    • Hiromi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor and diffuser for centrifugal compressor
    • Patent number 6,203,275
    • Issue date Mar 20, 2001
    • Hitachi, Ltd.
    • Hiromi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Labyrinth sealing device, and fluid machine providing the same
    • Patent number 6,039,535
    • Issue date Mar 21, 2000
    • Hitachi, Ltd.
    • Hiromi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor and vaned diffuser
    • Patent number 5,709,531
    • Issue date Jan 20, 1998
    • Hitachi, Ltd.
    • Hideo Nishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Centrifugal compressor and vaned diffuser
    • Patent number 5,516,263
    • Issue date May 14, 1996
    • Hitachi, Ltd.
    • Hideo Nishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Mixed flow compressor
    • Patent number 5,228,832
    • Issue date Jul 20, 1993
    • Hitachi, Ltd.
    • Hideo Nishida
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Turbo compressor
    • Patent number 5,062,766
    • Issue date Nov 5, 1991
    • Hitachi, Ltd.
    • Haruo Miura
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Multistage centrifugal compressor
    • Patent number 4,938,661
    • Issue date Jul 3, 1990
    • Hitachi, Ltd.
    • Hiromi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Diffuser of centrifugal fluid machine
    • Patent number 4,421,457
    • Issue date Dec 20, 1983
    • Hitachi, Ltd.
    • Yoichi Yoshinaga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    Multistage Centrifugal Compressor
    • Publication number 20240151239
    • Publication date May 9, 2024
    • Hitachi Industrial Products, Ltd.
    • Kiyotaka HIRADATE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR
    • Publication number 20230375005
    • Publication date Nov 23, 2023
    • Hitachi Industrial Products, Ltd.
    • Kiyotaka HIRADATE
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    GAS PIPELINE CENTRIFUGAL COMPRESSOR AND GAS PIPELINE
    • Publication number 20160238019
    • Publication date Aug 18, 2016
    • Hitachi, Ltd
    • Hiromi KOBAYASHI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL TURBOMACHINE
    • Publication number 20130309082
    • Publication date Nov 21, 2013
    • Kazuyuki Sugimura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTI-STAGE CENTRIFUGAL COMPRESSOR AND RETURN CHANNELS THEREFOR
    • Publication number 20130259644
    • Publication date Oct 3, 2013
    • Hiromi Kobayashi
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    IMPELLER AND TURBOMACHINERY INCLUDING THE IMPELLER
    • Publication number 20120263599
    • Publication date Oct 18, 2012
    • Hitachi Plant Technologies, Ltd.
    • Kazuyuki SUGIMURA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    TURBO MACHINERY
    • Publication number 20110097203
    • Publication date Apr 28, 2011
    • Hitachi Plant Technologies, Ltd.
    • Takanori SHIBATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR
    • Publication number 20100129224
    • Publication date May 27, 2010
    • Hitachi Plant Technologies, Ltd.
    • Takanori SHIBATA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    MULTISTAGE CENTRIFUGAL COMPRESSOR
    • Publication number 20100028141
    • Publication date Feb 4, 2010
    • Hitachi Plant Technologies, Ltd.
    • Hideo NISHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR HAVING VANELESS DIFFUSER AND VANELESS DIFFUS...
    • Publication number 20090317248
    • Publication date Dec 24, 2009
    • Hitachi Plant Technologies, Ltd.
    • Masanori Tanaka
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WELDING METHOD AND WELDING APPARATUS FOR AN IMPELLER
    • Publication number 20090095719
    • Publication date Apr 16, 2009
    • Takeshi Tsukamoto
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    CENTRIFUGAL COMPRESSOR, IMPELLER AND OPERATING METHOD OF THE SAME
    • Publication number 20090035122
    • Publication date Feb 5, 2009
    • Manabu YAGI
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Multistage Centrifugal Compressor
    • Publication number 20080279680
    • Publication date Nov 13, 2008
    • Hitachi Plant Technologies, Ltd.
    • Hideo NISHIDA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    WELDING SLOT SEALING STRUCTURE AND WELDING METHOD
    • Publication number 20080237195
    • Publication date Oct 2, 2008
    • Masaaki Iwasa
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    Turbo compressor
    • Publication number 20030059299
    • Publication date Mar 27, 2003
    • Haruo Miura
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...