TREA

Ichiro Ogasawara

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  • Yokohama, JP
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tape-like coated optical fiber
    • Patent number 5,082,347
    • Issue date Jan 21, 1992
    • Sumitomo Electric Industries, Ltd.
    • Nobuhiro Akasaka
    • G02 - OPTICS
  • Information Patent Grant

    Optical fiber unit
    • Patent number 4,826,279
    • Issue date May 2, 1989
    • Sumitomo Electric Industries, Ltd.
    • Akira Nishimura
    • G02 - OPTICS
  • Information Patent Grant

    Waterproof optical cable
    • Patent number 4,767,184
    • Issue date Aug 30, 1988
    • Sumitomo Electric Industries, Ltd.
    • Ichiro Ogasawara
    • G02 - OPTICS
  • Information Patent Grant

    Water-blocked optical fiber cable
    • Patent number 4,703,998
    • Issue date Nov 3, 1987
    • Sumitomo Electric Industries, Ltd.
    • Fumikiyo Uchioke
    • G02 - OPTICS
  • Information Patent Grant

    Multi core optical fiber
    • Patent number 4,653,852
    • Issue date Mar 31, 1987
    • Sumitomo Electric Industries, Ltd.
    • Shuzo Suzuki
    • G02 - OPTICS