Patents by Inventor Toshiaki Zakoh

Toshiaki Zakoh 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).

  • Patent number: 5082347
    Abstract: A tape-like coated optical fiber comprises: a plurality of optical fiber strands arranged side by side on a plane; and a tape coating of ultraviolet curable resin applied onto an outer periphery of the plurality of optical fiber strands so as to integrate the plurality of optical fiber strands with each other; each of the plurality of optical fiber strands having an optical fiber glass, a coating layer of ultraviolet curable resin provided on an outer periphery of the optical fiber glass, and a colored layer provided on the coating layer of ultraviolet curable resin. The weight of a volatile component contained in a coloring material used in the colored layer at 60.degree. C. is not larger than 5% of weight of the coloring material.
    Type: Grant
    Filed: September 14, 1990
    Date of Patent: January 21, 1992
    Assignee: Sumitomo Electric Industries, Ltd.
    Inventors: Nobuhiro Akasaka, Toshiaki Zakoh, Toru Yamanishi, Wataru Katsurashima, Ichiro Ogasawara