TREA

Tetsuya Iimura

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  • Yokohama-shi, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical filter, interleaver, and optical communication system
    • Patent number 6,965,479
    • Issue date Nov 15, 2005
    • Sumitomo Electric Industries, Ltd.
    • Tomomi Sano
    • G02 - OPTICS
  • Information Patent Grant

    Interleaver
    • Patent number 6,768,591
    • Issue date Jul 27, 2004
    • Sumitomo Electric Industries, Ltd.
    • Tomomi Sano
    • G02 - OPTICS
  • Information Patent Grant

    Interleaver
    • Patent number 6,724,539
    • Issue date Apr 20, 2004
    • Sumitomo Electric Industries, Ltd.
    • Tamoya Kenmochi
    • G02 - OPTICS

Patents Applicationslast 30 patents

  • Information Patent Application

    Optical filter, interleaver, and optical communication system
    • Publication number 20040075902
    • Publication date Apr 22, 2004
    • Tomomi Sano
    • G02 - OPTICS
  • Information Patent Application

    Interleaver
    • Publication number 20030128433
    • Publication date Jul 10, 2003
    • Tomomi Sano
    • G02 - OPTICS
  • Information Patent Application

    Interleaver
    • Publication number 20030086180
    • Publication date May 8, 2003
    • SUMITOMO ELECTRIC INDUSTRIES, LTD.
    • Tamoya Kenmochi
    • G02 - OPTICS