Patents by Inventor Tsuguto Fujita

Tsuguto Fujita 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).

  • Illumination apparatus for electronic copying machines
    Patent number: 4113379
    Abstract: Illumination apparatus for electronic copying machines comprising a casing 1 having an elongated opening 5 extending in a longitudinal direction thereof wherein light sources 6 and 6' are disposed respectively at both ends of said casing 1, the inner surface of said casing 1 being formed as a diffusing reflection surface and a light screening plate 7 being provided so as to prevent direct emission of light through said opening 5 from said light sources 6 and 6'.
    Type: Grant
    Filed: July 18, 1977
    Date of Patent: September 12, 1978
    Assignee: Rank Xerox, Ltd.
    Inventors: Masaaki Harada, Tsuguto Fujita