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Takashi Kobayashi

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Patents Grantslast 30 patents

  • Information Patent Grant

    Multifunction acoustic device
    • Patent number 6,834,114
    • Issue date Dec 21, 2004
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunction acoustic device
    • Patent number 6,766,034
    • Issue date Jul 20, 2004
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • 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

    Multifunction acoustic device
    • Patent number 6,744,904
    • Issue date Jun 1, 2004
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Multifunction acoustic device
    • Patent number 6,711,269
    • Issue date Mar 23, 2004
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • 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

    Multifunction acoustic device
    • Patent number 6,639,992
    • Issue date Oct 28, 2003
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
  • Information Patent Grant

    Multifunction acoustic device
    • Patent number 6,621,911
    • Issue date Sep 16, 2003
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multiple-function convertor for converting electric signals to vibr...
    • Patent number 6,553,125
    • Issue date Apr 22, 2003
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multifunction acoustic device
    • Patent number 6,529,611
    • Issue date Mar 4, 2003
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

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

    Mounting structure for electromagnetic sound generator
    • Patent number 6,229,903
    • Issue date May 8, 2001
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Surface-mounted electromagnetic sound generating body
    • Patent number 6,061,459
    • Issue date May 9, 2000
    • Citizen Electronics Co., Ltd.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Stereo speaker system
    • Publication number 20060159296
    • Publication date Jul 20, 2006
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • 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

    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

    Multifunction acoustic device
    • Publication number 20020131609
    • Publication date Sep 19, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunction acoustic device
    • Publication number 20020097890
    • Publication date Jul 25, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunction acoustic device
    • Publication number 20020076077
    • Publication date Jun 20, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunction acoustic device
    • Publication number 20020076078
    • Publication date Jun 20, 2002
    • CITIZEN ELECTRONICS CO., LTD.
    • Takashi Kobayashi
    • 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

    Multifunction acoustic device
    • Publication number 20020064295
    • 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

    Multiple-function convertor for converting electric signals to vibr...
    • Publication number 20020051557
    • Publication date May 2, 2002
    • CITIZEN ELECTRONICS CO.,LTD.
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Multifunction acoustic device
    • Publication number 20020033681
    • Publication date Mar 21, 2002
    • Takashi Kobayashi
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS
  • Information Patent Application

    Multifunction acoustic device
    • Publication number 20020031239
    • Publication date Mar 14, 2002
    • Takashi Kobayashi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE