TREA

Shinjiro Hagihara

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber
    • Patent number 6,731,847
    • Issue date May 4, 2004
    • Sumitomo Electric Industries, Ltd.
    • Takatoshi Kato
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber having a large positive dispersion
    • Patent number 6,614,976
    • Issue date Sep 2, 2003
    • Sumitomo Electric Industries, Ltd.
    • Takatoshi Kato
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber
    • Patent number 6,337,942
    • Issue date Jan 8, 2002
    • Sumitomo Electric Industries, Ltd.
    • Takatoshi Kato
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    DISPERSION COMPENSATING MODULE
    • Publication number 20100111486
    • Publication date May 6, 2010
    • Sumitomo Electric Industries, Ltd.
    • Tetsuya HAYASHI
    • G02 - OPTICS
  • Information Patent Application

    Optical fiber
    • Publication number 20020106172
    • Publication date Aug 8, 2002
    • Sumitomo Electric Industries, Ltd.
    • Takatoshi Kato
    • G02 - OPTICS