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Yoshiro Ohkawa

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  • Kawasaki-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Actuator
    • Patent number 7,518,289
    • Issue date Apr 14, 2009
    • Citizen Electronics Co., Ltd.
    • Kazuhiro Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Actuator
    • Patent number 7,183,697
    • Issue date Feb 27, 2007
    • Citizen Electronics Co., Ltd.
    • Naoto Yonetake
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Panel type speaker
    • Publication number 20070177746
    • Publication date Aug 2, 2007
    • Kazuhiro Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Actuator
    • Publication number 20060104171
    • Publication date May 18, 2006
    • Citizen Electronics Co., Ltd.
    • Kazuhiro Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Actuator
    • Publication number 20050116585
    • Publication date Jun 2, 2005
    • NEC Tokin Corporation
    • Naoto Yonetake
    • H01 - BASIC ELECTRIC ELEMENTS