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Ryoichi Shiobara

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  • Hitachi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gas circuit breaker
    • Patent number 10,916,394
    • Issue date Feb 9, 2021
    • Hitachi, Ltd.
    • Toshiaki Sakuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Gas circuit breaker
    • Patent number 10,354,821
    • Issue date Jul 16, 2019
    • Hitachi, Ltd.
    • Toshiaki Sakuyama
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Method and apparatus for layer short detection of electric rotating...
    • Patent number 7,772,870
    • Issue date Aug 10, 2010
    • Hitachi, Ltd.
    • Shingo Inamura
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stator of rotating electric machine and structure thereof
    • Patent number 7,714,477
    • Issue date May 11, 2010
    • Hitachi, Ltd.
    • Hideaki Nagashima
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric rotating machine
    • Patent number 7,294,943
    • Issue date Nov 13, 2007
    • Hitachi, Ltd.
    • Kenichi Hattori
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Dynamo-electric machine
    • Patent number 7,071,586
    • Issue date Jul 4, 2006
    • Hitachi, Ltd.
    • Kenichi Hattori
    • 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

    Rotary electric power generator
    • Patent number 6,774,515
    • Issue date Aug 10, 2004
    • Hitachi, Ltd.
    • Hideaki Mori
    • 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

    Rotary electric power generator
    • Patent number 6,621,187
    • Issue date Sep 16, 2003
    • Hitachi, Ltd.
    • Hideaki Mori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary electric power generator
    • Patent number 6,459,180
    • Issue date Oct 1, 2002
    • Hitachi, Ltd.
    • Hideaki Mori
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotary electric machine
    • Patent number 6,359,350
    • Issue date Mar 19, 2002
    • Hitachi, Ltd.
    • Masayuki Kaiho
    • 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

    Electric rotating machine
    • Patent number 6,346,754
    • Issue date Feb 12, 2002
    • Hitachi, Ltd.
    • Shigekazu Kieda
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric rotating machine
    • Patent number 6,340,853
    • Issue date Jan 22, 2002
    • Hitachi, Ltd.
    • Masayuki Kaiho
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Method of adjusting thermal balance of rotor
    • Patent number 4,912,834
    • Issue date Apr 3, 1990
    • Hitachi, Ltd.
    • Takashi Watanabe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Fault diagnosis system for rotor winding of rotary electric machine
    • Patent number 4,851,766
    • Issue date Jul 25, 1989
    • Hitachi, Ltd.
    • Ryoichi Shiobara
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents