TREA

Hideo Koreeda

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Speaker system
    • Patent number 7,324,834
    • Issue date Jan 29, 2008
    • Foster Electric Co., Ltd.
    • Takuro Yamaguchi
    • H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
  • Information Patent Grant

    Electroacoustic transducer
    • Patent number 6,516,077
    • Issue date Feb 4, 2003
    • Foster Electric Company
    • Fumihiko Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

  • Information Patent Application

    Speaker system
    • Publication number 20060183507
    • Publication date Aug 17, 2006
    • Foster Electric, Ltd.
    • Takuro Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Speaker system
    • Publication number 20050085276
    • Publication date Apr 21, 2005
    • Takuro Yamaguchi
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE