Patents by Inventor Tomoaki Ueguri

Tomoaki Ueguri 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).

  • Developing color display device of copying machine
    Patent number: 4662737
    Abstract: A developing color display device of a copying machine including a control circuit for outputting a signal corresponding to the developing color in a development cell, light emitting bodies of three primary colors (red, blue and green) that are selectively turned ON and/or whose luminous intensities are changed according to the signal output from the control circuit, and a developing color indicator for presenting a desired developing color synthesized by lights from the three primary color light emitting bodies.
    Type: Grant
    Filed: December 12, 1985
    Date of Patent: May 5, 1987
    Assignee: Sharp Kabushiki Kaisha
    Inventor: Tomoaki Ueguri