Patents by Inventor Ryusaburo Kawamoto

Ryusaburo Kawamoto 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).

  • EMI gasket
    Patent number: 5511798
    Abstract: An EMI gasket having a uniform V-shaped cross section. Parallel grooves are provided in an area on one arm of the V-shaped cross section. Each optical fiber is held by a groove of the parallel grooves. Two arms of the V-shaped crosssection are pressed toward each other by two parallel conductive plates which forms a shielding for the openings where optical fibers go through.
    Type: Grant
    Filed: July 14, 1994
    Date of Patent: April 30, 1996
    Assignee: NEC Corporation
    Inventors: Ryusaburo Kawamoto, Kengo Suzuki