The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 10, 2015
Filed:
Dec. 13, 2010
Ryosuke Iguchi, Kawasaki, JP;
Nobutaka Miyake, Yokohama, JP;
Tohru Ikeda, Yokohama, JP;
Akitoshi Yamada, Yokohama, JP;
Mitsuhiro Ono, Tokyo, JP;
Fumitaka Goto, Tokyo, JP;
Hidetsugu Kagawa, Kawasaki, JP;
Tomokazu Ishikawa, Kawasaki, JP;
Junichi Nakagawa, Tokyo, JP;
Senichi Saito, Kawasaki, JP;
Ryosuke Iguchi, Kawasaki, JP;
Nobutaka Miyake, Yokohama, JP;
Tohru Ikeda, Yokohama, JP;
Akitoshi Yamada, Yokohama, JP;
Mitsuhiro Ono, Tokyo, JP;
Fumitaka Goto, Tokyo, JP;
Hidetsugu Kagawa, Kawasaki, JP;
Tomokazu Ishikawa, Kawasaki, JP;
Junichi Nakagawa, Tokyo, JP;
Senichi Saito, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image processing apparatus is provided that is capable of very accurately and efficiently reducing uneven color caused by variation in ejection characteristics among nozzles that eject ink and that occurs in a color image that is formed by mixing a plurality of different kinds of ink. A patch is printed by ejected ink from a plurality of nozzles, a region is specified so as to perform color correction in a test color image that is printed on a printing medium, a plurality of different color correction processing is performed on color signals that correspond to a color correction region, a plurality of color correction patches are printed, a color correction patch to be used is selected from among the plurality of different color correction patches and table parameters that correspond to the nozzles are created based on the selected color correction processing.