TREA

Seiji Ohmizu

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  • Ichihara, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Optical fiber switch system
    • Patent number 4,886,335
    • Issue date Dec 12, 1989
    • Furukawa Electric Co., Ltd.
    • Hisaharu Yanagawa
    • G02 - OPTICS
  • Information Patent Grant

    Cable core self-aligning apparatus
    • Patent number 4,742,613
    • Issue date May 10, 1988
    • The Furukawa Electric Co., Ltd.
    • Shizuka Yamaguchi
    • H01 - BASIC ELECTRIC ELEMENTS