Patents by Inventor Yoshiyuki Kiriyama

Yoshiyuki Kiriyama 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).

  • Plastic optical fiber and plastic optical fiber code
    Patent number: 8503853
    Abstract: A plastic optical fiber comprising a core and a cladding, wherein the cladding comprises at least one layer, and the cladding comprises a copolymer which comprises 10 to 35% by weight of ethylene, 45 to 69% by weight of tetrafluoroethylene, 20 to 45% by weight of hexafluoropropylene, and 0.01 to 10% by weight of a fluorovinyl compound represented by Formula (1): CH2?CX1(CF2)nX2 (wherein X1 represents a fluorine atom or a hydrogen atom, X2 represents a fluorine atom, a hydrogen atom, or a hydrocarbon group, and n represents an integer from 1 to 10) as a copolymer component.
    Type: Grant
    Filed: March 17, 2010
    Date of Patent: August 6, 2013
    Assignee: Toray Industries, Inc.
    Inventors: Hironobu Maeda, Keiichi Maeshima, Shinji Sato, Yoshiyuki Kiriyama, Hidekazu Kunieda
  • PLASTIC OPTICAL FIBER AND PLASTIC OPTICAL FIBER CODE
    Publication number: 20120020637
    Abstract: A plastic optical fiber comprising a core and a cladding, wherein the cladding comprises at least one layer, and the cladding comprises a copolymer which comprises 10 to 35% by weight of ethylene, 45 to 69% by weight of tetrafluoroethylene, 20 to 45% by weight of hexafluoropropylene, and 0.01 to 10% by weight of a fluorovinyl compound represented by Formula (1): CH2?CX1(CF2)nX2 (wherein X1 represents a fluorine atom or a hydrogen atom, X2 represents a fluorine atom, a hydrogen atom, or a hydrocarbon group, and n represents an integer from 1 to 10) as a copolymer component.
    Type: Application
    Filed: March 17, 2010
    Publication date: January 26, 2012
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Hironobu Maeda, Keiichi Maeshima, Shinji Sato, Yoshiyuki Kiriyama, Hidekazu Kunieda
  • Photopolymerizable coating composition and process for forming a coating having a stereoscopic pattern
    Patent number: 5013768
    Abstract: A photopolymerizable coating composition comprising:(A) 100 parts by weight of a vehicle consisting essentially of a urethaneacrylate oligomer;(B) from 0.1 to 5 parts by weight of an acylphosphine oxide compound as a photoinitiator;(C) from 1 to 100 parts by weight of a color pigment; and(D) from 20 to 300 parts by weight of a transparent glass powder having an average particle size of not larger than 100 .mu.m and an index of refraction which does not differ more than 0.3 from the index of refraction of the composition excluding the color pigment.
    Type: Grant
    Filed: December 19, 1989
    Date of Patent: May 7, 1991
    Assignee: Dai Nippon Toryo Co., Ltd.
    Inventors: Yoshiyuki Kiriyama, Kazuyuki Moriga, Toshio Shinohara, Mitsuhiro Matsuda, Hiromi Maeda