TREA

Masahiro Mamiya

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  • Nishitokyo-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Electronic watch
    • Patent number 9,342,055
    • Issue date May 17, 2016
    • Citizen Holdings Co., Ltd.
    • Tsuneharu Kasai
    • G04 - HOROLOGY
  • Information Patent Grant

    Clock with wireless function
    • Patent number 8,328,415
    • Issue date Dec 11, 2012
    • Citizens Holdings Co., Ltd.
    • Setsuo Kachi
    • G04 - HOROLOGY

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRONIC WATCH
    • Publication number 20140086023
    • Publication date Mar 27, 2014
    • CITIZEN WATCH CO., LTD
    • Tsuneharu Kasai
    • G04 - HOROLOGY
  • Information Patent Application

    Clock with Wireless Function
    • Publication number 20090316536
    • Publication date Dec 24, 2009
    • CITIZEN HOLDINGS CO., LTD.
    • Setsuo Kachi
    • G04 - HOROLOGY