Patents by Inventor Yuji Kishida

Yuji Kishida 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 coupler and a method of producing it
    Patent number: 6112001
    Abstract: An optical coupler wherein on one principal face of an Si single crystal substrate are formed, by etching, grooves for mounting optical fibers and a portion for mounting an optical element that is divided into plural parts, a base substrate, of which coefficient of thermal expansion is substantially identical to that of the optical element, is bonded onto the other principal face of the substrate, and the optical element is mounted on the portion for mounting an optical element.
    Type: Grant
    Filed: July 29, 1998
    Date of Patent: August 29, 2000
    Assignee: Kyocera Corporation
    Inventors: Yuji Kishida, Ryuji Komeda, Yutaka Kuba, Takahiro Matsubara