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Yoshihisa Ishikawa

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  • Hitachinaka, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electric rotating machine
    • Patent number 8,829,754
    • Issue date Sep 9, 2014
    • Hitachi, Ltd.
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating electrical machine
    • Patent number 8,471,428
    • Issue date Jun 25, 2013
    • Hitachi, Ltd.
    • Takashi Naganawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric rotating machine
    • Patent number 8,334,629
    • Issue date Dec 18, 2012
    • Hitachi, Ltd.
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Stator core for dynamo-electric machine and manufacturing method th...
    • Patent number 8,294,325
    • Issue date Oct 23, 2012
    • Hitachi, Ltd.
    • Takahiro Makiyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor
    • Patent number 8,134,269
    • Issue date Mar 13, 2012
    • Hitachi, Ltd.
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Alternator for vehicle and rotating electrical machine
    • Patent number 8,125,116
    • Issue date Feb 28, 2012
    • Hitachi, Ltd.
    • Toshio Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor
    • Patent number 7,915,778
    • Issue date Mar 29, 2011
    • Hitachi, Ltd.
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electric motor
    • Patent number 7,830,060
    • Issue date Nov 9, 2010
    • Hitachi, Ltd.
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating electrical machine
    • Patent number 7,777,389
    • Issue date Aug 17, 2010
    • Hitachi, Ltd.
    • Teruyoshi Abe
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating electrical machine
    • Patent number 7,759,837
    • Issue date Jul 20, 2010
    • Hitachi, Ltd.
    • Toshio Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Rotating electrical machine
    • Patent number 7,701,109
    • Issue date Apr 20, 2010
    • Hitachi, Ltd.
    • Toshio Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER

Patents Applicationslast 30 patents

  • Information Patent Application

    Vehicular Alternating Current Generator
    • Publication number 20130187515
    • Publication date Jul 25, 2013
    • HITACHI LTD.
    • Yoshihisa Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ALTERNATOR FOR VEHICLE
    • Publication number 20130082564
    • Publication date Apr 4, 2013
    • Hitachi, Ltd
    • Yoshihisa Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electric Rotating Machine
    • Publication number 20130069473
    • Publication date Mar 21, 2013
    • Hitachi, Ltd
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20120043847
    • Publication date Feb 23, 2012
    • HITACHI, LTD.
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    AC Generator for Vehicle
    • Publication number 20120038238
    • Publication date Feb 16, 2012
    • Hitachi, Ltd
    • Yoshihisa Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Electric Motor
    • Publication number 20110148241
    • Publication date Jun 23, 2011
    • HITACHI, LTD.
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    STATOR CORE FOR DYNAMO-ELECTRIC MACHINE AND MANUFACTURING METHOD TH...
    • Publication number 20110062817
    • Publication date Mar 17, 2011
    • Takahiro Makiyama
    • Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
  • Information Patent Application

    Rotating Electrical Machine
    • Publication number 20110025162
    • Publication date Feb 3, 2011
    • Hitachi, Ltd
    • Takashi NAGANAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ROTATING ELECTRICAL MACHINE
    • Publication number 20110025165
    • Publication date Feb 3, 2011
    • Hitachi, Ltd
    • Takashi NAGANAWA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20110018381
    • Publication date Jan 27, 2011
    • HITACHI, LTD.
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ELECTRIC MOTOR
    • Publication number 20090230806
    • Publication date Sep 17, 2009
    • Hitachi, Ltd
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating electrical machinery
    • Publication number 20090102314
    • Publication date Apr 23, 2009
    • Hitachi, Ltd
    • Kenji Miyata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ROTATING ELECTRICAL MACHINE
    • Publication number 20090001843
    • Publication date Jan 1, 2009
    • HITACHI, LTD.
    • Yuji Enomoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Rotating Electrical Machine
    • Publication number 20080315700
    • Publication date Dec 25, 2008
    • Hitachi, Ltd
    • Toshio Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Alternator For Vehicle and Rotating Electrical Machine
    • Publication number 20080315702
    • Publication date Dec 25, 2008
    • Hitachi, Ltd
    • Toshio Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    COMMUTATOR MOTOR AND ELECTRIC VACUUM CLEANER USING THE SAME
    • Publication number 20080238241
    • Publication date Oct 2, 2008
    • Tsukasa TANIGUCHI
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    INDUCTION MACHINE
    • Publication number 20080238237
    • Publication date Oct 2, 2008
    • Kazuo Nishihama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    STEPPING MOTOR AND STEEL PLATE FOR MANUFACTURING THE STEPPING MOTOR
    • Publication number 20080224574
    • Publication date Sep 18, 2008
    • Yuji Enomoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    ROTATING ELECTRICAL MACHINE
    • Publication number 20080136272
    • Publication date Jun 12, 2008
    • Toshio Ishikawa
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SPINDLE MOTOR, DISK DRIVE, AND METHOD OF FABRICATING A STATOR CORE
    • Publication number 20080136285
    • Publication date Jun 12, 2008
    • Fumio Tajima
    • G11 - INFORMATION STORAGE
  • Information Patent Application

    ROTATING ELECTRICAL MACHINE
    • Publication number 20080012445
    • Publication date Jan 17, 2008
    • TERUYOSHI ABE
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER