Patents by Inventor Kyoko Ichikawa

Kyoko Ichikawa 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).

  • Method of ink jet recording and ink jet recording apparatus
    Patent number: 4855753
    Abstract: Disclosed is a method of ink jet recording for forming a color image including a color-mixed portion by using a plurality of colored inks for at least one of which a plurality of inks having different dyestuff densities are used, the method comprising: compensating OD value data concerning discharge of ink in accordance with a rate of change in the OD value of an image due to a change in the amount of ink supplied and a total amount of ink supplied per picture element.
    Type: Grant
    Filed: June 20, 1988
    Date of Patent: August 8, 1989
    Assignee: Canon Kabushiki Kaisha
    Inventors: Kyoko Ichikawa, Makoto Aoki, Hideo Takiguchi