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Masato ARAI

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  • Chiyoda-ku, Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hinge device and hinge device base
    • Patent number 10,240,377
    • Issue date Mar 26, 2019
    • Sugatsune Kogyo Co., Ltd.
    • Masato Arai
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    HINGE DEVICE AND HINGE DEVICE BASE
    • Publication number 20160281403
    • Publication date Sep 29, 2016
    • SUGATSUNE KOGYO CO., LTD.
    • Masato ARAI
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES