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Yoshikazu Kojima

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  • Urawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Warning sound generating device
    • Patent number 4,963,855
    • Issue date Oct 16, 1990
    • Kobishi Electric Co., Inc. Ltd.
    • Yoshikazu Kojima
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Motor driven bell
    • Patent number 4,952,907
    • Issue date Aug 28, 1990
    • Kobishi Electric Co., Ltd.
    • Yoshikazu Kojima
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Anti-theft alarm device for vehicle
    • Patent number 4,885,572
    • Issue date Dec 5, 1989
    • Iwata Electric Co., Ltd.
    • Keisuke Iwata
    • B60 - VEHICLES IN GENERAL