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Shunichi Osada

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cylinder lock device
    • Patent number 7,421,869
    • Issue date Sep 9, 2008
    • Alpha Corporation
    • Shunichi Osada
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Method and system for unlocking doorway
    • Patent number 7,337,469
    • Issue date Feb 26, 2008
    • Alpha Corporation
    • Shunichi Osada
    • G07 - CHECKING-DEVICES
  • Information Patent Grant

    Axial tumbler cylinder lock and key
    • Patent number 5,402,660
    • Issue date Apr 4, 1995
    • Alpha Corporation
    • Shunichi Osada
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Cylindrical lock and key therefor
    • Patent number 5,402,662
    • Issue date Apr 4, 1995
    • Alpha Corporation
    • Shunichi Osada
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    Cylinder lock device
    • Publication number 20060042335
    • Publication date Mar 2, 2006
    • ALPHA CORPORATION
    • Shunichi Osada
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Method and system for unlocking doorway
    • Publication number 20040078579
    • Publication date Apr 22, 2004
    • Shunichi Osada
    • G07 - CHECKING-DEVICES