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Kazumi Miyamoto

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  • Fujiyoshida-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Acoustic transducer
    • Patent number 7,680,294
    • Issue date Mar 16, 2010
    • Citizen Electronics Co., Ltd.
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunction speaker
    • Patent number 7,454,031
    • Issue date Nov 18, 2008
    • Citizen Electronics Co., Ltd.
    • Hiroo Kajiwara
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Multifunction speaker
    • Patent number 7,386,138
    • Issue date Jun 10, 2008
    • Citizen Electronics Co., Ltd.
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method for manufacturing a dynamic speaker
    • Patent number 7,210,213
    • Issue date May 1, 2007
    • Citizen Electronics Co., Ltd.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibrating device for axially vibrating a movable member
    • Patent number 7,023,112
    • Issue date Apr 4, 2006
    • Citizen Electronics Co., Ltd.
    • Kazumi Miyamoto
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Connecting member for a sound generator
    • Patent number 6,783,370
    • Issue date Aug 31, 2004
    • Citizen Electronics Co., Ltd.
    • Kazumi Miyamoto
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Grant

    Speaker
    • Patent number 6,751,332
    • Issue date Jun 15, 2004
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Loudspeaker
    • Patent number 6,744,895
    • Issue date Jun 1, 2004
    • Citizen Electronics Co., Ltd.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibrating device for axially vibrating a movable member
    • Patent number 6,700,251
    • Issue date Mar 2, 2004
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Microspeaker
    • Patent number 6,690,809
    • Issue date Feb 10, 2004
    • Citizen Electronics Co., Ltd.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Microspeaker
    • Patent number 6,400,825
    • Issue date Jun 4, 2002
    • Citizen Electronics Co., Ltd.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Acoustic transducer
    • Publication number 20060171554
    • Publication date Aug 3, 2006
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunction speaker
    • Publication number 20050207610
    • Publication date Sep 22, 2005
    • Hiroo Kajiwara
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Application

    Multifunction speaker
    • Publication number 20050180593
    • Publication date Aug 18, 2005
    • CITIZEN ELECTRONICS CO., LTD.
    • Hiroo Kajiwara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Method for manufacturing a dynamic speaker
    • Publication number 20050022366
    • Publication date Feb 3, 2005
    • Citizen Electronics Co., Ltd.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker for an electronic instrument
    • Publication number 20030185407
    • Publication date Oct 2, 2003
    • CITIZEN ELECTRONICS CO., LTD.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Vibrating device for axially vibrating a movable member
    • Publication number 20030164647
    • Publication date Sep 4, 2003
    • CITIZEN ELECTRONICS CO., LTD.
    • Takashi Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    Vibrating device for axially vibrating a movable member
    • Publication number 20030142845
    • Publication date Jul 31, 2003
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Loudspeaker
    • Publication number 20020168074
    • Publication date Nov 14, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker
    • Publication number 20020064293
    • Publication date May 30, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Microspeaker
    • Publication number 20020054688
    • Publication date May 9, 2002
    • CITIZEN ELECTRONICS CO., INC.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    MICROSPEAKER
    • Publication number 20020054691
    • Publication date May 9, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Kazumi Miyamoto
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Connecting member for a sound generator
    • Publication number 20010016452
    • Publication date Aug 23, 2001
    • Kazumi Miyamoto
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS