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Ryuichi Kawakami

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Inspection device and casting system
    • Patent number 11,158,041
    • Issue date Oct 26, 2021
    • Sintokogio, Ltd.
    • Kazuhiro Ota
    • B22 - CASTING POWDER METALLURGY
  • Information Patent Grant

    Timer display apparatus
    • Patent number 4,318,181
    • Issue date Mar 2, 1982
    • Sony Corporation
    • Ryuichi Kawakami
    • G05 - CONTROLLING REGULATING

Patents Applicationslast 30 patents

  • Information Patent Application

    INSPECTION DEVICE AND CASTING SYSTEM
    • Publication number 20200234419
    • Publication date Jul 23, 2020
    • SINTOKOGIO, LTD.
    • Kazuhiro OTA
    • B22 - CASTING POWDER METALLURGY