Patents by Inventor Takayuki Andou

Takayuki Andou 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).

  • Lensed optical fiber having high coupling efficiency, process of production and apparatus for production of same, and laser diode module
    Patent number: 6597835
    Abstract: A lensed optical fiber comprised of an optical fiber having a core and a cladding and a lens portion formed at its front end, a process of production of a lensed optical fiber, an apparatus for its production, and a laser diode module. The lens portion of the lensed optical fiber is comprised of a substantially flat portion formed at an end face of the core, slanting faces formed at an end face of the cladding, and convex curved faces including part of the core between the substantially flat portion and slanting faces.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: July 22, 2003
    Assignee: The Furukawa Electric Co., Ltd.
    Inventors: Xu Jie, Kenji Suzuki, Takayuki Andou
  • Lensed optical fiber, process of production and apparatus for production of same, and laser diode module
    Publication number: 20020031300
    Abstract: A lensed optical fiber comprised of an optical fiber having a core and a cladding and a lens portion formed at its front end, a process of production of a lensed optical fiber, an apparatus for its production, and a laser diode module. The lens portion of the lensed optical fiber is comprised of a substantially flat portion formed at an end face of the core, slanting faces formed at an end face of the cladding, and convex curved faces including part of the core between the substantially flat portion and slanting faces.
    Type: Application
    Filed: December 13, 2000
    Publication date: March 14, 2002
    Inventors: Xu Jie, Kenji Suzuki, Takayuki Andou