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Keita Watanabe

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  • Fujiyoshida-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    LED device
    • Patent number 10,170,674
    • Issue date Jan 1, 2019
    • Citizen Watch Co., Ltd.
    • Isao Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • 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

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

    Sound generator for a portable device
    • Patent number 7,201,996
    • Issue date Apr 10, 2007
    • Citizen Electronics Co., Ltd.
    • Keita Watanabe
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • 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

    Surface-mounted electromagnetic sound generator
    • Patent number 6,359,541
    • Issue date Mar 19, 2002
    • Citizen Electronics Co., Ltd.
    • Keita Watanabe
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    LED DEVICE
    • Publication number 20160197253
    • Publication date Jul 7, 2016
    • CITIZEN HOLDINGS CO., LTD.
    • Isao Miyashita
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    ELECTROACOUSTIC TRANSDUCER
    • Publication number 20080063234
    • Publication date Mar 13, 2008
    • Citizen Electronics Co., Ltd.
    • Keita Watanabe
    • 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

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