Patents by Inventor Eiji Kamimura

Eiji Kamimura 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 correcting adjustment value for image forming apparatus, image forming apparatus, and memory medium
    Patent number: 7306313
    Abstract: A plurality of first base images are formed from a base color output in accordance with a predetermined adjustment value. A plurality of first correction images are formed on the first base images from a correction color to be a subject for correction output in accordance with a predetermined adjustment value. The first correction images are displaced within a predetermined range. The first adjustment value is determined from changed adjustment values. The second base images are formed from the base color output in accordance with the predetermined adjustment value, and the second correction images are formed from the correction color output in accordance with a plurality of adjustment values determined based on the first adjustment value. The second adjustment value having an extreme is determined from a plurality of adjustment value candidates. Finally, the adjustment value for the correction color is corrected to the determined second adjustment value.
    Type: Grant
    Filed: July 23, 2003
    Date of Patent: December 11, 2007
    Assignee: Sharp Kabushiki Kaisha
    Inventors: Eiji Kamimura, Yoshikazu Harada, Kyosuke Taka, Nobuo Manabe, Toshio Yamanaka, Norio Tomita, Manabu Matsumoto
  • Method of correcting adjustment value for image forming apparatus, image forming apparatus, and memory medium
    Publication number: 20040130737
    Abstract: A plurality of first base images are formed from a base color output in accordance with a predetermined adjustment value. A plurality of first correction images are formed on the first base images from a correction color to be a subject for correction output in accordance with a predetermined adjustment value. The first correction images are displaced within a predetermined range. The first adjustment value is determined from changed adjustment values. The second base images are formed from the base color output in accordance with the predetermined adjustment value, and the second correction images are formed from the correction color output in accordance with a plurality of adjustment values determined based on the first adjustment value. The second adjustment value having an extreme is determined from a plurality of adjustment value candidates. Finally, the adjustment value for the correction color is corrected to the determined second adjustment value.
    Type: Application
    Filed: July 23, 2003
    Publication date: July 8, 2004
    Inventors: Eiji Kamimura, Yoshikazu Harada, Kyosuke Taka, Nobuo Manabe, Toshio Yamanaka, Norio Tomita, Manabu Matsumoto