Patents by Inventor Fumikiyo Uchioke

Fumikiyo Uchioke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Water-blocked optical fiber cable
    Patent number: 4703998
    Abstract: A water-tight optical fiber cable constructed without the need of a viscous water-blocking compound. At least one water-absorbing fibrous braid is placed adjacent each optical fiber to absorb any water which may be present in or enter the cable. Additionally, one or more water-absorbing fibrous braids may be disposed between a tape layer and the surrounding protective sheath of the cable.
    Type: Grant
    Filed: March 5, 1985
    Date of Patent: November 3, 1987
    Assignees: Sumitomo Electric Industries, Ltd, Nippon Telegraph & Telephone Public Corporation
    Inventors: Fumikiyo Uchioke, Ichiro Ogasawara, Shuzo Suzuki