TREA

Mamoru Hihara

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Interferometer, demodulator, and splitting element
    • Patent number 7,864,325
    • Issue date Jan 4, 2011
    • Yokogawa Electric Corporation
    • Yasuyuki Suzuki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical packet network system
    • Patent number 7,787,777
    • Issue date Aug 31, 2010
    • Yokogawa Electric Corporation
    • Shinji Iio
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical communication apparatus
    • Patent number 7,746,549
    • Issue date Jun 29, 2010
    • Yokogawa Electric Corporation
    • Naoaki Machida
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Optical switch
    • Patent number 7,362,929
    • Issue date Apr 22, 2008
    • Yokogawa Electric Corporation
    • Shinji Iio
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    DELAY INTERFEROMETER
    • Publication number 20090303492
    • Publication date Dec 10, 2009
    • Yokogawa Electric Corporation
    • Junichiro Asano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DELAY INTERFEROMETER
    • Publication number 20090304394
    • Publication date Dec 10, 2009
    • Yokogawa Electric Corporation
    • Junichiro Asano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    DELAY INTERFEROMETER
    • Publication number 20090303490
    • Publication date Dec 10, 2009
    • YOKOGAWA ELECTRIC CORPORATION
    • Junichiro Asano
    • G02 - OPTICS
  • Information Patent Application

    DELAY INTERFEROMETER
    • Publication number 20090303491
    • Publication date Dec 10, 2009
    • Yokogawa Electric Corporation
    • Junichiro Asano
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    INTERFEROMETER, DEMODULATOR, AND SPLITTING ELEMENT
    • Publication number 20090027683
    • Publication date Jan 29, 2009
    • YOKOGAWA ELECTRIC CORPORATION
    • Yasuyuki Suzuki
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical communication apparatus
    • Publication number 20070127112
    • Publication date Jun 7, 2007
    • YOKOGAWA ELECTRIC CORPORATION
    • Naoaki Machida
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical packet network system
    • Publication number 20070047957
    • Publication date Mar 1, 2007
    • Yokogawa Electric Corporation
    • Shinji Iio
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Optical switch
    • Publication number 20060165348
    • Publication date Jul 27, 2006
    • YOKOGAWA ELECTRIC CORPORATION
    • Shinji Iio
    • G02 - OPTICS