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Yojiro Koga

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  • Kariya-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Refrigerant control valve apparatus
    • Patent number 10,514,103
    • Issue date Dec 24, 2019
    • Aisin Seiki Kabushiki Kaisha
    • Naoto Yumisashi
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Refrigerant control valve device
    • Patent number 10,513,966
    • Issue date Dec 24, 2019
    • Aisin Seiki Kabushiki Kaisha
    • Hideyuki Suzuki
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Water pump
    • Patent number 10,344,775
    • Issue date Jul 9, 2019
    • Aisin Seiki Kabushiki Kaisha
    • Yojiro Koga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Grant

    Water pump
    • Patent number 7,396,215
    • Issue date Jul 8, 2008
    • Aisin Seiki Kabushiki Kaisha
    • Yasuo Ozawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Water pump with a hollow shaft, seal, and drain opening therein
    • Patent number 6,960,066
    • Issue date Nov 1, 2005
    • Aisin Seiki Kabushiki Kaisha
    • Yojiro Koga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...

Patents Applicationslast 30 patents

  • Information Patent Application

    COOLING SYSTEM FOR INTERNAL COMBUSTION ENGINE
    • Publication number 20180355784
    • Publication date Dec 13, 2018
    • AISIN SEIKI KABUSHIKI KAISHA
    • Yojiro Koga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    REFRIGERANT CONTROL VALVE APPARATUS
    • Publication number 20180066758
    • Publication date Mar 8, 2018
    • AISIN SEIKI KABUSHIKI KAISHA
    • Naoto YUMISASHI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    REFRIGERANT CONTROL VALVE DEVICE
    • Publication number 20170211460
    • Publication date Jul 27, 2017
    • AISIN SEIKI KABUSHIKI KAISHA
    • Hideyuki SUZUKI
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    WATER PUMP
    • Publication number 20160333891
    • Publication date Nov 17, 2016
    • AISIN SEIKI KABUSHIKI KAISHA
    • Yojiro KOGA
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Water pump
    • Publication number 20050238511
    • Publication date Oct 27, 2005
    • Aisin Seiki Kabushiki Kaisha
    • Yasuo Ozawa
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Application

    Water pump
    • Publication number 20040213683
    • Publication date Oct 28, 2004
    • Aisin Seiki Kabushiki Kaisha
    • Yojiro Koga
    • F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
  • Information Patent Application

    Water pump
    • Publication number 20030175133
    • Publication date Sep 18, 2003
    • Aisin Seiki Kabushiki Kaisha
    • Yojiro Koga
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...