Patents by Inventor Tsuyochi Miyamoto

Tsuyochi Miyamoto 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).

  • Image forming apparatus capable of detecting, analyzing and displaying an originals spectroscopic color data
    Patent number: 4943834
    Abstract: A color copier includes an optical sensor unit and analyzes colors of reflected light from an original to be copied by detecting spectroscopic color data of the reflected light. Amounts of toner of different colors for forming a color image are determined according to such detected spectroscopic color data.
    Type: Grant
    Filed: September 1, 1988
    Date of Patent: July 24, 1990
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Yasutaka Maeda, Tsuyochi Miyamoto, Yukihiko Ueno, Hiromi Washio