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Hiroshi Kowaki

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  • Hyogo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker and vibration control unit
    • Patent number 9,743,192
    • Issue date Aug 22, 2017
    • Fujitsu Ten Limited
    • Kiyosei Shibata
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Integrating apparatus
    • Patent number 7,499,556
    • Issue date Mar 3, 2009
    • Fujitsu Ten Limited
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Audio system
    • Patent number 7,218,740
    • Issue date May 15, 2007
    • Fujitsu Ten Limited
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system having processing circuitry
    • Patent number 7,130,441
    • Issue date Oct 31, 2006
    • Fujitsu Ten Limited
    • Katsuhiko Tsumori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Sound system
    • Patent number 7,110,550
    • Issue date Sep 19, 2006
    • Fujitsu Ten Limited
    • Akira Motojima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker assembly having plural drivers
    • Patent number 7,082,208
    • Issue date Jul 25, 2006
    • Fujitsu Ten Limited
    • Katsuhiko Tsumori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Integrating apparatus
    • Patent number 6,990,206
    • Issue date Jan 24, 2006
    • Fujitsu Ten Limited
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker system
    • Patent number 6,751,330
    • Issue date Jun 15, 2004
    • Fujitsu Ten Limited
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker apparatus
    • Patent number 6,724,909
    • Issue date Apr 20, 2004
    • Fujitsu Ten Limited
    • Katsuhiko Tsumori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Speaker structure
    • Patent number 6,678,384
    • Issue date Jan 13, 2004
    • Fujitsu Ten Limited
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Apparatus for expanding and controlling sound fields
    • Patent number 5,710,818
    • Issue date Jan 20, 1998
    • Fujitsu Ten Limited
    • Toshitaka Yamato
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    System for calibrating sound field
    • Patent number 5,297,209
    • Issue date Mar 22, 1994
    • Fujitsu Ten Limited
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Coefficients setting method of a reverberation unit
    • Patent number 5,247,474
    • Issue date Sep 21, 1993
    • Fujitsu Ten Limited
    • Hiroshi Kowaki
    • G10 - MUSICAL INSTRUMENTS ACOUSTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    SPEAKER AND VIBRATION CONTROL UNIT
    • Publication number 20160192075
    • Publication date Jun 30, 2016
    • FUJITSU TEN LIMITED
    • Kiyosei SHIBATA
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Application

    SPEAKER DEVICE
    • Publication number 20100232637
    • Publication date Sep 16, 2010
    • Fujitsu Ten Limited
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker assembly having plural drivers
    • Publication number 20040165738
    • Publication date Aug 26, 2004
    • Katsuhiko Tsumori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker system having a processing circuitry
    • Publication number 20040165744
    • Publication date Aug 26, 2004
    • Katsuhiko Tsumori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker apparatus
    • Publication number 20020057821
    • Publication date May 16, 2002
    • Katsuhiko Tsumori
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker Structure
    • Publication number 20020021818
    • Publication date Feb 21, 2002
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker system
    • Publication number 20010028724
    • Publication date Oct 11, 2001
    • Hiroshi Kowaki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Sound system
    • Publication number 20010022841
    • Publication date Sep 20, 2001
    • Akira Motojima
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE