Patents by Inventor Nobuhiko Utagawa

Nobuhiko Utagawa 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).

  • Optical DVI cable system and method of laying cable
    Patent number: 7558460
    Abstract: A composite cable 21 with a plug 22 attached thereto includes optical fibers, metal wires, a tensile strength fiber 21a, and an envelope 21b for enveloping them and the plug 22 includes a ferrule 210 of the plug for connecting the optical fiber, a cable clamp 221 and a Kevler holder 222 (first fixing mechanism) for fixing the tensile strength fiber 21a, and a gasket 223 (second fixing mechanism) for blocking a twist of the envelope 21b and further includes a joint mechanism (227) of a detachable traction cap for pulling the composite cable 21 and inserting the composite cable 21 into piping.
    Type: Grant
    Filed: July 14, 2006
    Date of Patent: July 7, 2009
    Assignees: Sumitomo Electric Industries, Ltd., Stack Electronics Co., Ltd.
    Inventors: Hideki Yamaguchi, Hideya Konda, Toshio Morita, Satoshi Koide, Nobuhiko Utagawa
  • Optical DVI cable system and method of laying cable
    Publication number: 20070014522
    Abstract: A composite cable 21 with a plug 22 attached thereto includes optical fibers, metal wires, a tensile strength fiber 21a, and an envelope 21b for enveloping them and the plug 22 includes a ferrule 210 of the plug for connecting the optical fiber, a cable clamp 221 and a Kevler holder 222 (first fixing mechanism) for fixing the tensile strength fiber 21a, and a gasket 223 (second fixing mechanism) for blocking a twist of the envelope 21b and further includes a joint mechanism (227) of a detachable traction cap for pulling the composite cable 21 and inserting the composite cable 21 into piping.
    Type: Application
    Filed: July 14, 2006
    Publication date: January 18, 2007
    Inventors: Hideki Yamaguchi, Hideya Konda, Toshio Morita, Satoshi Koide, Nobuhiko Utagawa