TREA

Masato Kuroiwa

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  • Tokyo, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical switch and switching method
    • Patent number 6,002,819
    • Issue date Dec 14, 1999
    • Sumitomo Electric Industries, Ltd.
    • Kazuhito Saito
    • G02 - OPTICS
  • Information Patent Grant

    Optical switch
    • Patent number 5,832,149
    • Issue date Nov 3, 1998
    • Furukawa Electric Co., Ltd.
    • Seiji Omizu
    • G02 - OPTICS