Patents by Inventor Fuminori Iijima

Fuminori Iijima 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).

  • V-shaped groove block for an optical fiber
    Patent number: 6430351
    Abstract: An object of the invention of the present application is to provide a V-shaped groove block for an optical fiber which has a simple structure, and can high strength fusion splice between optical fibers; in order to achieve the object, the present invention provide a V-shaped groove block for optical fibers for aligning and positioning the axis of naked optical fibers, wherein a thin film comprising a material that will not damage the naked optical fiber even when they are slid thereon, is provided on a surface of a V-shaped groove.
    Type: Grant
    Filed: March 29, 2000
    Date of Patent: August 6, 2002
    Assignee: Fujikura Ltd.
    Inventors: Kenji Takahashi, Masato Omori, Junichi Suzuki, Taku Otani, Fuminori Iijima