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Kazuhiro Kobayashi

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  • Yamanashi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Panel-typed loud speaker and an exciter therefor
    • Patent number 7,764,804
    • Issue date Jul 27, 2010
    • Citizen Electronics Co., Ltd.
    • Yoshizumi Ohta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Acoustic device and flat speaker thereof
    • Patent number 7,664,278
    • Issue date Feb 16, 2010
    • Citizen Electronics Co., Ltd.
    • Keita Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Adhesive sheet for attaching an electronic part and an electronic d...
    • Patent number 7,593,231
    • Issue date Sep 22, 2009
    • Citizen Electronics Co., Ltd.
    • Kazuhiro Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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
  • Information Patent Grant

    Bidirectional optical transmission device
    • Patent number 6,899,469
    • Issue date May 31, 2005
    • Citizen Electronics Co., Ltd.
    • Kazuhiro Kobayashi
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    ELECTRET CONDENSER MICROPHONE
    • Publication number 20080310657
    • Publication date Dec 18, 2008
    • CITIZEN ELECTRONICS CO., LTD.
    • Yuki Tsuchiya
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

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

    Panel-typed loud speaker and an exciter therefor
    • Publication number 20070053531
    • Publication date Mar 8, 2007
    • CITIZEN ELECTRONICS CO., LTD.
    • Yoshizumi Ohta
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Adhesive sheet for attaching an electronic part and an electronic d...
    • Publication number 20060194001
    • Publication date Aug 31, 2006
    • CITIZEN ELECTRONICS CO., LTD.
    • Kazuhiro Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Piezoelectric panel speaker
    • Publication number 20060140424
    • Publication date Jun 29, 2006
    • CITIZEN ELECTRONICS CO., LTD.
    • Kazuhiro Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Acoustic device and flat speaker thereof
    • Publication number 20060140437
    • Publication date Jun 29, 2006
    • CITIZEN ELECTRONICS CO., LTD.
    • Keita Watanabe
    • 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

    Dynamic exciter and loudspeaker using the same
    • Publication number 20050276434
    • Publication date Dec 15, 2005
    • CITIZEN ELECTRONICS CO., LTD.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

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

    Bidirectional optical transmission device
    • Publication number 20030059178
    • Publication date Mar 27, 2003
    • CITIZEN ELECTRONICS CO., LTD.
    • Kazuhiro Kobayashi
    • G02 - OPTICS