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Koji Chikata

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  • Yamanashi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Door-opening/closing apparatus
    • Patent number 7,063,373
    • Issue date Jun 20, 2006
    • Mitsui Mining & Smelting Co., Ltd.
    • Koji Chikata
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    Door-opening/closing apparatus
    • Publication number 20050082870
    • Publication date Apr 21, 2005
    • MITSUI MINING AND SMELTING CO., LTD
    • Koji Chikata
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Door-opening/closing apparatus
    • Publication number 20040046418
    • Publication date Mar 11, 2004
    • MITSUI MINING AND SMELTING CO., LTD
    • Koji Chikata
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES