TREA

Yuichi Thomori

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  • Kanagawa, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical amplifier
    • Patent number 7,262,905
    • Issue date Aug 28, 2007
    • Nippon Telegraph and Telephone Corporation
    • Yasuo Shibata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical amplifier
    • Patent number 7,221,500
    • Issue date May 22, 2007
    • Nippon Telegraph and Telephone Corporation
    • Yasuo Shibata
    • H01 - BASIC ELECTRIC ELEMENTS
  • Information Patent Grant

    Optical amplifier
    • Patent number 7,088,501
    • Issue date Aug 8, 2006
    • Nippon Telegraph and Telephone Corporation
    • Yasuo Shibata
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical amplifier
    • Publication number 20060268399
    • Publication date Nov 30, 2006
    • Yasuo Shibata
    • G02 - OPTICS
  • Information Patent Application

    Optical amplifier
    • Publication number 20060232851
    • Publication date Oct 19, 2006
    • Yasuo Shibata
    • G02 - OPTICS
  • Information Patent Application

    Optical amplifier
    • Publication number 20030067678
    • Publication date Apr 10, 2003
    • Yasuo Shibata
    • G02 - OPTICS