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Tomoyuki Hirayama

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  • Shizuoka-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Heat sink
    • Patent number 11,624,562
    • Issue date Apr 11, 2023
    • Fuji Electric Co., Ltd.
    • Takumi Nakamura
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Grant

    Method for manufacturing power device cooler
    • Patent number 11,031,257
    • Issue date Jun 8, 2021
    • NIPPON LIGHT METAL COMPANY, LTD.
    • Etsuro Kubota
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Method for manufacturing cooling unit
    • Patent number 10,835,976
    • Issue date Nov 17, 2020
    • NIPPON LIGHT METAL COMPANY, LTD.
    • Tomoyuki Hirayama
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Aluminum alloy sheet and method for manufacturing same
    • Patent number 10,041,154
    • Issue date Aug 7, 2018
    • NIPPON LIGHT METAL COMPANY, LTD.
    • Tomoyuki Hirayama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
  • Information Patent Grant

    Aluminum alloy sheet excellent in press-formability and shape fixab...
    • Patent number 9,896,754
    • Issue date Feb 20, 2018
    • NIPPON LIGHT METAL COMPANY, LTD.
    • Tomoyuki Hirayama
    • B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...

Patents Applicationslast 30 patents

  • Information Patent Application

    COOLING DEVICE FOR POWER DEVICE
    • Publication number 20240413055
    • Publication date Dec 12, 2024
    • Nikkeikin ALMO COMPANY, LTD.
    • Kazuhito SEKI
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    HEAT SINK
    • Publication number 20220412670
    • Publication date Dec 29, 2022
    • Fuji Electric Co., Ltd.
    • Takumi NAKAMURA
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    HEAT SINK
    • Publication number 20210102760
    • Publication date Apr 8, 2021
    • Fuji Electric Co., Ltd.
    • Takumi NAKAMURA
    • F28 - HEAT EXCHANGE IN GENERAL
  • Information Patent Application

    METHOD FOR MANUFACTURING POWER DEVICE COOLER
    • Publication number 20200321224
    • Publication date Oct 8, 2020
    • NIPPON LIGHT METAL COMPANY, LTD.
    • Etsuro KUBOTA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    METHOD FOR MANUFACTURING COOLING UNIT
    • Publication number 20180304390
    • Publication date Oct 25, 2018
    • NIPPON LIGHT METAL COMPANY, LTD.
    • Tomoyuki HIRAYAMA
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Application

    ALUMINUM ALLOY SHEET EXCELLENT IN PRESS-FORMABILITY AND SHAPE FIXAB...
    • Publication number 20150075677
    • Publication date Mar 19, 2015
    • NIPPON LIGHT METAL COMPANY, LTD.
    • Tomoyuki Hirayama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
  • Information Patent Application

    ALUMINUM ALLOY SHEET AND METHOD FOR MANUFACTURING SAME
    • Publication number 20140166162
    • Publication date Jun 19, 2014
    • NISSAN MOTOR CO., LTD.
    • Tomoyuki Hirayama
    • C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...