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Masakatsu Yoshikuwa

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  • Yamanashi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Actuator unit
    • Patent number 7,815,230
    • Issue date Oct 19, 2010
    • Mitsui Mining & Smelting Co., Ltd.
    • Masakatsu Yoshikuwa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Grant

    Door lock device and assembling method thereof
    • Patent number 7,478,846
    • Issue date Jan 20, 2009
    • Mitsui Mining & Smelting Co., Ltd.
    • Masakatsu Yoshikuwa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES

Patents Applicationslast 30 patents

  • Information Patent Application

    Actuator unit
    • Publication number 20070277632
    • Publication date Dec 6, 2007
    • MITSUI MINING AND SMELTING CO., LTD
    • Masakatsu Yoshikuwa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
  • Information Patent Application

    Door lock device and assembling method thereof
    • Publication number 20070182165
    • Publication date Aug 9, 2007
    • MITSUI MINING AND SMELTING CO., LTD
    • Masakatsu Yoshikuwa
    • E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES