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Takeshi Nakamura

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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker box and speaker device
    • Patent number 8,774,437
    • Issue date Jul 8, 2014
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system
    • Patent number 7,965,847
    • Issue date Jun 21, 2011
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker cabinet and speaker device
    • Patent number 7,478,703
    • Issue date Jan 20, 2009
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Diffuser and speaker using the same
    • Patent number 7,466,837
    • Issue date Dec 16, 2008
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system
    • Patent number 7,447,316
    • Issue date Nov 4, 2008
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker and speaker device
    • Patent number 6,807,284
    • Issue date Oct 19, 2004
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Transformer, loudspeaker device, loudspeaker network, and loudspeak...
    • Patent number 6,718,040
    • Issue date Apr 6, 2004
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 6,650,759
    • Issue date Nov 18, 2003
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system
    • Patent number 6,618,488
    • Issue date Sep 9, 2003
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Amplifier circuit and electronic apparatus using the same
    • Patent number 6,590,446
    • Issue date Jul 8, 2003
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Grant

    Speaker device
    • Patent number 6,590,992
    • Issue date Jul 8, 2003
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 6,563,930
    • Issue date May 13, 2003
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Method of making a piezoelectric speaker with a unitary body compri...
    • Patent number 6,532,644
    • Issue date Mar 18, 2003
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker having a hemispherical vibrator
    • Patent number 6,502,662
    • Issue date Jan 7, 2003
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    3D woofer drive circuit
    • Patent number 6,438,237
    • Issue date Aug 20, 2002
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker and speaker device
    • Patent number 6,430,297
    • Issue date Aug 6, 2002
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Multi-speaker system
    • Patent number 6,356,642
    • Issue date Mar 12, 2002
    • Murata Manufacturing Co., LTD
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker
    • Patent number 6,243,475
    • Issue date Jun 5, 2001
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibrator and vibratory gyroscope using the same
    • Patent number 6,161,432
    • Issue date Dec 19, 2000
    • Murata Manufacturing Co., Ltd.
    • Tohru Kasanami
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vibration gyroscope
    • Patent number 6,158,281
    • Issue date Dec 12, 2000
    • Murata Manufacturing Co., Ltd.
    • Kazuhiro Ebara
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Speaker having multiple sound bodies and multiple sound openings
    • Patent number 6,130,951
    • Issue date Oct 10, 2000
    • Murata Manfacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker adapted for use as a center woofer in 3-dimensional sound s...
    • Patent number 6,108,429
    • Issue date Aug 22, 2000
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Piezoelectric speaker
    • Patent number 6,064,746
    • Issue date May 16, 2000
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Impact sensor
    • Patent number 6,053,045
    • Issue date Apr 25, 2000
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vibratory gyroscope including piezoelectric electrodes or detectors...
    • Patent number 6,016,698
    • Issue date Jan 25, 2000
    • Murata Manufacturing Co., Ltd.
    • Tohru Kasanami
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Vibrator including piezoelectric electrodes of detectors arranged t...
    • Patent number 6,016,699
    • Issue date Jan 25, 2000
    • Murata Manufacturing Co., Ltd.
    • Tohru Kasanami
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Piezoelectric acceleration sensor having a weighted plate-shaped vi...
    • Patent number 5,900,551
    • Issue date May 4, 1999
    • Murata Manufacturing Co. Ltd.
    • Takeshi Nakamura
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Speaker
    • Patent number 5,896,460
    • Issue date Apr 20, 1999
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Vibrator including piezoelectric electrodes or detectors arranged t...
    • Patent number 5,874,674
    • Issue date Feb 23, 1999
    • Murata Manufacturing Co., Ltd.
    • Tohru Kasanami
    • G01 - MEASURING TESTING
  • Information Patent Grant

    Impact sensor
    • Patent number 5,869,761
    • Issue date Feb 9, 1999
    • Murata Manuafacturing Co., Ltd.
    • Takeshi Nakamura
    • G01 - MEASURING TESTING

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER SYSTEM
    • Publication number 20090028378
    • Publication date Jan 29, 2009
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    SPEAKER BOX AND SPEAKER DEVICE
    • Publication number 20080089543
    • Publication date Apr 17, 2008
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Diffuser and speaker using the same
    • Publication number 20070064958
    • Publication date Mar 22, 2007
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker cabinet and speaker device
    • Publication number 20040222038
    • Publication date Nov 11, 2004
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker system
    • Publication number 20040156518
    • Publication date Aug 12, 2004
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker and speaker device
    • Publication number 20020150272
    • Publication date Oct 17, 2002
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Amplifier circuit and electronic apparatus using the same
    • Publication number 20020044015
    • Publication date Apr 18, 2002
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H03 - BASIC ELECTRONIC CIRCUITRY
  • Information Patent Application

    Speaker system
    • Publication number 20010005422
    • Publication date Jun 28, 2001
    • Murata Manufacturing Co., Ltd.
    • Takeshi Nakamura
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE