Patents by Inventor Ken-Ichiro Iida

Ken-Ichiro Iida 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).

  • Apparatus for controlling concentration of toner in the liquid toner of a recording apparatus
    Patent number: 5155528
    Abstract: In a recording apparatus for recording an image on the basis of image data having a large number of dot signals representing the image by using a liquid toner contained in a container and including a toner and a solvent for solving the toner, the number of dot signals included in the image data supplied to the recording apparatus is counted, a decreased amount of the solvent in the liquid toner is detected, and the toner is supplied to the container on the basis of the counted number of the dot signals and the detected decreased amount of the solvent in the liquid toner, whereby the concentration of the toner in the liquid toner is controlled to be constant.
    Type: Grant
    Filed: July 5, 1991
    Date of Patent: October 13, 1992
    Assignee: Nippon Steel Corporation
    Inventors: Takayoshi Morishige, Ken-Ichiro Iida