TREA

Masakatsu Okamoto

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  • Tokyo-To, JP
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Patents Grantslast 30 patents

Patents Applicationslast 30 patents

  • Information Patent Application

    Wire rope flaw detector for elevator
    • Publication number 20070090834
    • Publication date Apr 26, 2007
    • Toshiba Elevator Kabushiki Kaisha
    • Akira Osada
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Application

    Double deck elevator
    • Publication number 20040238287
    • Publication date Dec 2, 2004
    • Yoshiaki Fujita
    • B66 - HOISTING LIFTING HAULING