Patents by Inventor Ken Nagao

Ken Nagao 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: 11415769
    Abstract: Provided is an intermittently coupled-type optical fiber ribbon in which, in a state where a plurality of optical fibers are arranged in parallel, coupling portions at which adjacent optical fibers are coupled by a coupling resin and non-coupling portions at which the adjacent optical fibers are not coupled are intermittently provided in a longitudinal direction, the coupling portions and the on-coupling portions being provided between some or all of the plurality of optical fibers, in which at least some of the non-coupling portions include a convex portion of the coupling resin, a tip end of the convex portion having an acute angle in a cross-sectional view in a direction orthogonal to the longitudinal direction.
    Type: Grant
    Filed: February 5, 2020
    Date of Patent: August 16, 2022
    Assignee: SUMITOMO ELECTRIC INDUSTRIES, LTD.
    Inventors: Fumiaki Sato, Yoshiaki Nagao, Tsuguo Amano, Ken Takahashi, Noriaki Iwaguchi, Katsushi Hamakubo, Takashi Fujii
  • Publication number: 20060009557
    Abstract: A colorant composition contains 0.01 to 99.97 wt. % of a polypropylene resin, 0.01 to 60 wt. % of a pigment, 0.01 to 60 wt. % of an elastomer component, and 0.01 to 40 wt. % of a dispersant. The colorant composition can be produced by kneading them together.
    Type: Application
    Filed: April 27, 2005
    Publication date: January 12, 2006
    Applicant: Dainichiseika Color & Chem. Mfg. Co., Ltd.
    Inventors: Ken Nagao, Junichi Ito
  • Patent number: 5415082
    Abstract: A water-removing ring made of heat conductive materials and set on an edge of an oil-cooking utensil including a cylindrical contact part that comes into contact with the inner surface of the cooking utensil and a projecting part extending horizontally and inwardly from the inner surface of the cylindrical contact part and having a plurality of grooves so that evaporated moister is collected on the projecting part and then evaporated again.
    Type: Grant
    Filed: March 4, 1994
    Date of Patent: May 16, 1995
    Inventor: Ken Nagao