Patents by Inventor Takashi Fujigaki

Takashi Fujigaki 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 fiber ribbon end-structure
    Patent number: 4984859
    Abstract: The invention provides an end structure for at least one optical fiber ribbon wherein the same-side ends of the optical fiber ribbons are bundled together and tightly fitted in a metallic sleeve member so that coating layers of the optical fiber ribbons may be on the inner surface of the metallic sleeve member.
    Type: Grant
    Filed: February 16, 1990
    Date of Patent: January 15, 1991
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Takashi Fujigaki, Yoshikazu Fujinaga, Shuichiro Tokuda, Noriyuki Furukawa, Kiyoshi Ichimura, Yukio Shibuya, Shigeru Iuchi
  • Working equipment for roughening the side of optical fiber
    Patent number: 4929169
    Abstract: The invention provides a working equipment for roughening the side of optical fiber having a hot stamper, a sheet having rough surface to be transferred, a cushion, and a cushion-mounted plate having a portion formed in stepwise or continuously curved or sloped form.
    Type: Grant
    Filed: June 13, 1988
    Date of Patent: May 29, 1990
    Assignee: Mitsubishi Rayon Co.
    Inventors: Takashi Fujigaki, Yoshikazu Fujinaga, Shuichiro Tokuda, Noriyuki Furukawa, Kiyoshi Ichimura, Yukio Shibuya, Shigeru Iuchi