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Kazuyuki Ishigaya

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  • Sanbu-gun, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Hinge device and cell phone
    • Patent number 6,990,711
    • Issue date Jan 31, 2006
    • Sugatsune Kogyo Co., Ltd.
    • Shinichiro Koshikawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    ONE-WAY DAMPING HINGE
    • Publication number 20230279710
    • Publication date Sep 7, 2023
    • Sugatsune Kogyo Co., Ltd.
    • Kazuyuki ISHIGAYA
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Hinge device and cell phone
    • Publication number 20030056325
    • Publication date Mar 27, 2003
    • Shinichiro Koshikawa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES