Patents by Inventor Rie Akihara

Rie Akihara 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).

  • COMPOSITION FOR JACKETING OPTICAL FIBER AND OPTICAL FIBER CABLE
    Publication number: 20140133812
    Abstract: A composition for jacketing an optical fiber including a modified PPE resin containing a polyphenylene ether resin and a thermoplastic resin compatible with the polyphenylene ether resin, and a non halogen-based flame retardant, in which a nitrogen compound is included as the non halogen-based flame retardant and the content of nitrogen element in the composition is in the range of 100000 to 300000 ppm as measured by an elementary analysis.
    Type: Application
    Filed: June 14, 2012
    Publication date: May 15, 2014
    Applicant: MITSUBISHI RAYON CO., LTD.
    Inventors: Tsuyoshi Kimura, Yoshihiro Tsukamoto, Kouji Asano, Akira Yoshioka, Rie Akihara
  • Plastic optical fiber cable and method of transmitting signal
    Patent number: 8422844
    Abstract: A plastic optical fiber cable includes: a bare plastic optical fiber including a core formed of a polymer containing a methyl methacrylate unit, and a clad layer including a layer formed of a specific fluorine-containing olefin resin at least in the outermost layer; and a coating layer around the bare plastic optical fiber, the coating layer including a light-shielding coating layer formed of a specific nylon resin composition, a functional coating layer (C) and a functional coating layer (D) in this order, where one of the functional coating layer (C) and the functional coating layer (D) is formed of a resin composition (I) containing a polybutylene terephthalate resin as a major component or an ethylene-vinyl alcohol copolymer as a major component; the other is formed of a specific nylon resin composition (II); and a ratio of the thickness of the functional coating layer (C) to the thickness of the functional coating layer (D) is set to fall within a specific range.
    Type: Grant
    Filed: June 23, 2009
    Date of Patent: April 16, 2013
    Assignee: Mitsubishi Rayon Co., Ltd.
    Inventors: Yoshihiro Tsukamoto, Tsuyoshi Kimura, Yasushi Fujishige, Rie Akihara, Mitsuhiro Matsuo
  • PLASTIC OPTICAL FIBER CABLE AND METHOD OF TRANSMITTING SIGNAL
    Publication number: 20110176814
    Abstract: A plastic optical fiber cable includes: a bare plastic optical fiber including a core formed of a polymer containing a methyl methacrylate unit, and a clad layer including a layer formed of a specific fluorine-containing olefin resin at least in the outermost layer; and a coating layer around the bare plastic optical fiber, the coating layer including a light-shielding coating layer formed of a specific nylon resin composition, a functional coating layer (C) and a functional coating layer (D) in this order, where one of the functional coating layer (C) and the functional coating layer (D) is formed of a resin composition (I) containing a polybutylene terephthalate resin as a major component or an ethylene-vinyl alcohol copolymer as a major component; the other is formed of a specific nylon resin composition (II); and a ratio of the thickness of the functional coating layer (C) to the thickness of the functional coating layer (D) is set to fall within a specific range.
    Type: Application
    Filed: June 23, 2009
    Publication date: July 21, 2011
    Applicant: MITSUBISHI RAYON CO., LTD.
    Inventors: Yoshihiro Tsukamoto, Tsuyoshi Kimura, Yasushi Fujishige, Rie Akihara, Mitsuhiro Matsuo