TREA

Tadashige Fujita

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Clock reproducing apparatus
    • Patent number 7,667,544
    • Issue date Feb 23, 2010
    • Yokogawa Electric Corporation
    • Hiroshi Sugawara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Repeater and optical communication system
    • Patent number 7,580,641
    • Issue date Aug 25, 2009
    • Yokogawa Electric Corporation
    • Hiroshi Shimizu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Active diffraction grating
    • Patent number 7,035,490
    • Issue date Apr 25, 2006
    • Yokogawa Electric Corp.
    • Shun-ichi Miyazaki
    • G02 - OPTICS
  • Information Patent Grant

    Photo diode array
    • Patent number 6,552,325
    • Issue date Apr 22, 2003
    • Yokogawa Electric Corporation
    • Makoto Komiyama
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    CLOCK REPRODUCING APPARATUS
    • Publication number 20100066456
    • Publication date Mar 18, 2010
    • YOKOGAWA ELECTRIC CORPORATION
    • Hiroshi SUGAWARA
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Clock reproducing apparatus
    • Publication number 20070159938
    • Publication date Jul 12, 2007
    • Yokogawa Electric Corporation
    • Hiroshi Sugawara
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Repeater and optical communication system
    • Publication number 20070047956
    • Publication date Mar 1, 2007
    • YOKOGAWA ELECTRIC CORPORATION
    • Hiroshi Shimizu
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Application

    Photodiode array
    • Publication number 20060290928
    • Publication date Dec 28, 2006
    • YOKOGAWA ELECTRIC CORPORATION
    • Tadashige Fujita
    • G01 - MEASURING TESTING
  • Information Patent Application

    Optical path control device
    • Publication number 20050129352
    • Publication date Jun 16, 2005
    • Yokogawa Electric Corporation
    • Shun-ichi Miyazaki
    • G02 - OPTICS
  • Information Patent Application

    Active diffraction grating
    • Publication number 20040213499
    • Publication date Oct 28, 2004
    • YOKOGAWA ELECTRIC CORPORATION
    • Shun-ichi Miyazaki
    • G02 - OPTICS
  • Information Patent Application

    PHOTO DIODE ARRAY
    • Publication number 20030085341
    • Publication date May 8, 2003
    • Makoto Komiyama
    • H01 - BASIC ELECTRIC ELEMENTS