Patents by Inventor Mieko Yamamoto

Mieko Yamamoto 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 waveguide and method of manufacturing the same, and optical waveguide device
    Patent number: 8923669
    Abstract: An optical wave guide includes an optical waveguide layer in which a core layer is surrounded by a cladding layer, a light path converting portion provided to a light entering side and a light emitting side of the optical waveguide layer respectively, a light entering portion demarcated in an outer surface of the cladding layer, in which a light is entered to the light path converting portion of the light entering side; and a light emitting portion demarcated in an outer surface of the cladding layer, in which a light from the light path converting portion of the light emitting side is emitted, wherein an outer surface of the cladding layer except the light entering portion and the light emitting portion is formed as a roughened surface.
    Type: Grant
    Filed: May 14, 2012
    Date of Patent: December 30, 2014
    Assignee: Shinko Electric Industries Co., Ltd.
    Inventors: Hideki Yonekura, Kenji Yanagisawa, Kazunao Yamamoto, Mieko Yamamoto
  • OPTICAL WAVEGUIDE AND METHOD OF MANUFACTURING THE SAME, AND OPTICAL WAVEGUIDE DEVICE
    Publication number: 20120318964
    Abstract: An optical wave guide includes an optical waveguide layer in which a core layer is surrounded by a cladding layer, a light path converting portion provided to a light entering side and a light emitting side of the optical waveguide layer respectively, a light entering portion demarcated in an outer surface of the cladding layer, in which a light is entered to the light path converting portion of the light entering side; and a light emitting portion demarcated in an outer surface of the cladding laver, in which a light from the light path converting portion of the light emitting side is emitted, wherein an outer surface of the cladding layer except the light entering portion and the light emitting portion is formed as a roughened. surface.
    Type: Application
    Filed: May 14, 2012
    Publication date: December 20, 2012
    Applicant: SHINKO ELECTRIC INDUSTRIES CO., LTD.
    Inventors: Takanori YAMAMOTO, Mieko Yamamoto, Hideki Yonekura, Kenji Yanagisawa, Kazunao Yamamoto