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Atsushi Kuwabara

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Patents Grantslast 30 patents

  • Information Patent Grant

    Electromagnetic exciter
    • Patent number 7,557,474
    • Issue date Jul 7, 2009
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electromagnetic sound producing device
    • Patent number 7,062,062
    • Issue date Jun 13, 2006
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electrical acoustic converter
    • Patent number 7,010,142
    • Issue date Mar 7, 2006
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker for an electronic instrument
    • Patent number 6,845,168
    • Issue date Jan 18, 2005
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electric connector for connecting electronic instruments
    • Patent number 6,843,658
    • Issue date Jan 18, 2005
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Speaker for an electronic instrument
    • Patent number 6,661,898
    • Issue date Dec 9, 2003
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Connecting device for connecting a sound producing device to an ele...
    • Patent number 6,504,940
    • Issue date Jan 7, 2003
    • Citizen Electronics Co., Ltd.
    • Hajime Omata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Buzzer having a battery
    • Patent number D464284
    • Issue date Oct 15, 2002
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electromagnetic sound generator
    • Patent number 6,433,674
    • Issue date Aug 13, 2002
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electro-magnetic sound generator
    • Patent number D443842
    • Issue date Jun 19, 2001
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Surface-mounted electromagnetic sound generating body
    • Patent number 6,150,924
    • Issue date Nov 21, 2000
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electromagnetic sound generator
    • Patent number 6,023,518
    • Issue date Feb 8, 2000
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Electromagnetic sound generator
    • Patent number D413278
    • Issue date Aug 31, 1999
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Electromagnetic sound generator
    • Patent number D413076
    • Issue date Aug 24, 1999
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • D10 - Measuring, testing, or signalling instruments
  • Information Patent Grant

    Audible sound generator
    • Patent number D411127
    • Issue date Jun 22, 1999
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • D10 - Measuring, testing, or signalling instruments

Patents Applicationslast 30 patents

  • Information Patent Application

    Electromagnetic exciter
    • Publication number 20070164616
    • Publication date Jul 19, 2007
    • CITIZEN ELECTRONICS CO., LTD.
    • Atsushi Kuwabara
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Application

    Electrical acoustic converter
    • Publication number 20040105564
    • Publication date Jun 3, 2004
    • Citizen Electronics Co., Ltd.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker for an electronic instrument
    • Publication number 20030194105
    • Publication date Oct 16, 2003
    • CITIZEN ELECTRONICS CO., LTD.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electric connector for connecting electronic instruments
    • Publication number 20030186567
    • Publication date Oct 2, 2003
    • CITIZEN ELECTRONICS CO., LTD.
    • Atsushi Kuwabara
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Application

    Electromagnetic sound producing device
    • Publication number 20020126868
    • Publication date Sep 12, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker for an electronic instrument
    • Publication number 20020114473
    • Publication date Aug 22, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Electromagnetic sound generator
    • Publication number 20010028303
    • Publication date Oct 11, 2001
    • CITIZEN ELECTRONICS CO., LTD.
    • Atsushi Kuwabara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Connecting device for connecting a sound producing device to an ele...
    • Publication number 20010004398
    • Publication date Jun 21, 2001
    • Hajime Omata
    • H01 - BASIC ELECTRIC ELEMENTS