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HISASHI YOKOYAMA

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  • TOKYO, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Air bypass valve device
    • Patent number 8,973,891
    • Issue date Mar 10, 2015
    • Mitsubishi Electric Corporation
    • Ryuichi Maeda
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Exhaust-gas recirculation system
    • Patent number 7,543,576
    • Issue date Jun 9, 2009
    • Mitsubishi Electric Corporation
    • Hidetoshi Okada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Mounting device for exhaust gas recirculation valve
    • Patent number 6,789,532
    • Issue date Sep 14, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Yasuhiko Kato
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Exhaust gas recirculation valve
    • Patent number 6,708,675
    • Issue date Mar 23, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Yasuhiko Kato
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Grant

    Exhaust gas recirculating valve device
    • Patent number 6,672,293
    • Issue date Jan 6, 2004
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisashi Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Electrical flow control valve
    • Patent number 6,581,903
    • Issue date Jun 24, 2003
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisashi Yokoyama
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Motor shaft for rotational-to-direct motion converting motor and me...
    • Patent number 6,473,958
    • Issue date Nov 5, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Sotsuo Miyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Exhaust gas recirculation valve device
    • Patent number 6,453,891
    • Issue date Sep 24, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Yasuhiko Kato
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Flow control valve
    • Patent number 6,325,055
    • Issue date Dec 4, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisashi Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Valve device and valve control method
    • Patent number 6,302,090
    • Issue date Oct 16, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisashi Yokoyama
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Portion of valve body
    • Patent number D445430
    • Issue date Jul 24, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisashi Yokoyama
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Exhaust gas recirculation valve
    • Patent number D445431
    • Issue date Jul 24, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisashi Yokoyama
    • D15 - Machines not elsewhere specified
  • Information Patent Grant

    Mounting device for exhaust gas re-circulation valve
    • Patent number 6,227,183
    • Issue date May 8, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Sotsuo Miyoshi
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Grant

    Portion of heat sink
    • Patent number D438515
    • Issue date Mar 6, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Hisashi Yokoyama
    • D13 - Equipment for production, distribution, or transformation of energy
  • Information Patent Grant

    Solenoid valve
    • Patent number 5,246,199
    • Issue date Sep 21, 1993
    • Mitsubishi Denki Kabushiki Kaisha
    • Katsuyuki Numoto
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    AIR BYPASS VALVE DEVICE
    • Publication number 20120256115
    • Publication date Oct 11, 2012
    • Ryuichi Maeda
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Exhaust-Gas Recirculation System
    • Publication number 20080135026
    • Publication date Jun 12, 2008
    • Hidetoshi Okada
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Mouting device for exhaust gas recirculation valve
    • Publication number 20040099245
    • Publication date May 27, 2004
    • Yasuhiko Kato
    • F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • Information Patent Application

    Exhaust gas recirculation valve
    • Publication number 20020174858
    • Publication date Nov 28, 2002
    • Mitsubishi Denki Kabushiki Kaisha
    • Yasuhiko Kato
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    ELECTRICAL FLOW CONTROL VALVE
    • Publication number 20020008219
    • Publication date Jan 24, 2002
    • HISASHI YOKOYAMA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Exhaust gas recirculation valve device
    • Publication number 20010054417
    • Publication date Dec 27, 2001
    • Mitsubishi Denki Kabushiki Kaisha
    • Yasuhiko Kato
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Application

    Motor shaft for rotational-to-direct motion converting motor and me...
    • Publication number 20010002546
    • Publication date Jun 7, 2001
    • Sotsuo Miyoshi
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...