TREA

Shinichirou Koshikawa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hinge device
    • Patent number 10,626,645
    • Issue date Apr 21, 2020
    • Sugatsune Kogyo Co., Ltd.
    • Shinichirou Koshikawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Hinge with a safety shield plate unit
    • Patent number 6,308,376
    • Issue date Oct 30, 2001
    • Sugatsune Industrial Co., Ltd.
    • Shinichirou Koshikawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    HINGE DEVICE
    • Publication number 20190330894
    • Publication date Oct 31, 2019
    • Sugatsune Kogyo Co., Ltd.
    • Shinichirou KOSHIKAWA
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES