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Akitomi Semba

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Patents Grantslast 30 patents

  • Information Patent Grant

    Horizontal shaft type rotary machine
    • Patent number 8,882,356
    • Issue date Nov 11, 2014
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Kenichi Hattori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Forced cooling rotary electric machine
    • Patent number 8,049,378
    • Issue date Nov 1, 2011
    • Hitachi, Ltd.
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary electrical device having particular coil support structure
    • Patent number 7,939,977
    • Issue date May 10, 2011
    • Hitachi, Ltd.
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Forced cooling rotary electric machine
    • Patent number 7,898,128
    • Issue date Mar 1, 2011
    • Hitachi, Ltd.
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotor of rotary-electric machine
    • Patent number 7,893,574
    • Issue date Feb 22, 2011
    • Hitachi, Ltd.
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Thrust bearing device
    • Patent number 7,832,934
    • Issue date Nov 16, 2010
    • Hitachi, Ltd.
    • Makoto Hemmi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Rotating machine
    • Patent number 7,825,559
    • Issue date Nov 2, 2010
    • Hitachi, Ltd.
    • Akihito Nakahara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric rotating machine and manufacturing method of the same
    • Patent number 7,728,473
    • Issue date Jun 1, 2010
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotor of rotary-electric machine
    • Patent number 7,638,909
    • Issue date Dec 29, 2009
    • Hitachi, Ltd.
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric rotating machine and manufacturing method of the same
    • Patent number 7,521,829
    • Issue date Apr 21, 2009
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating electric machine and cooling method thereof
    • Patent number 6,936,939
    • Issue date Aug 30, 2005
    • Hitachi, Ltd.
    • Kazumasa Ide
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating electric machine
    • Patent number 6,737,768
    • Issue date May 18, 2004
    • Hitachi, Ltd.
    • Kazumasa Ide
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Dynamo-electric machine
    • Patent number 6,724,107
    • Issue date Apr 20, 2004
    • Hitachi, Ltd.
    • Kazumasa Ide
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine with plural coolers in plural ventilation passages
    • Patent number 6,538,351
    • Issue date Mar 25, 2003
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,359,351
    • Issue date Mar 19, 2002
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Armature winding and rotating electric machine using the same
    • Patent number 6,359,361
    • Issue date Mar 19, 2002
    • Hitachi, Ltd.
    • Shinichi Wakui
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,316,852
    • Issue date Nov 13, 2001
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,265,795
    • Issue date Jul 24, 2001
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,262,501
    • Issue date Jul 17, 2001
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,262,502
    • Issue date Jul 17, 2001
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating machine
    • Patent number 6,201,323
    • Issue date Mar 13, 2001
    • Hitachi, Ltd.
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Method and System for Providing Energy Creation Service of Turbine...
    • Publication number 20150081528
    • Publication date Mar 19, 2015
    • Mitsubishi Hitachi Power Systems, Ltd.
    • Kenichi HATTORI
    • G06 - COMPUTING CALCULATING COUNTING
  • Information Patent Application

    HORIZONTAL SHAFT TYPE ROTARY MACHINE
    • Publication number 20120155790
    • Publication date Jun 21, 2012
    • Hitachi, Ltd
    • Kenichi Hattori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    FORCED COOLING ROTARY ELECTRIC MACHINE
    • Publication number 20110101801
    • Publication date May 5, 2011
    • Kenichi HATTORI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ROTOR OF ROTARY-ELECTRIC MACHINE
    • Publication number 20100045126
    • Publication date Feb 25, 2010
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    HORIZONTAL SHAFT TYPE ROTARY MACHINE
    • Publication number 20090304316
    • Publication date Dec 10, 2009
    • Hitachi, Ltd
    • Kenichi Hattori
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    ELECTRIC ROTATING MACHINE AND MANUFACTURING METHOD OF THE SAME
    • Publication number 20090205194
    • Publication date Aug 20, 2009
    • Akitomi Semba
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    FORCED COOLING ROTARY ELECTRIC MACHINE
    • Publication number 20080169710
    • Publication date Jul 17, 2008
    • Kenichi HATTORI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    THRUST BEARING DEVICE
    • Publication number 20080085068
    • Publication date Apr 10, 2008
    • Makoto Hemmi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Rotor for rotary electrical device
    • Publication number 20070222333
    • Publication date Sep 27, 2007
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating machine
    • Publication number 20070145848
    • Publication date Jun 28, 2007
    • Akihito Nakahara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotor of rotary-electric machine
    • Publication number 20070085428
    • Publication date Apr 19, 2007
    • Kenichi Hattori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electric rotating machine and manufacturing method of the same
    • Publication number 20070080591
    • Publication date Apr 12, 2007
    • Akitomi Semba
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Rotating electric machine and cooling method thereof
    • Publication number 20040189110
    • Publication date Sep 30, 2004
    • Kazumasa Ide
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating electric machine and cooling method thereof
    • Publication number 20030020339
    • Publication date Jan 30, 2003
    • Kazumasa Ide
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating machine
    • Publication number 20020101121
    • Publication date Aug 1, 2002
    • Akitomi Semba
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER