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:
Sep. 16, 2008
Filed:
Apr. 19, 2005
Kiyomitsu Kudo, Tokyo, JP;
Akira Tsujimoto, Kanagawa-ken, JP;
Satoshi Kudo, Kanagawa-ken, JP;
Toru Suzuki, Kanagawa-ken, JP;
Kiyomitsu Kudo, Tokyo, JP;
Akira Tsujimoto, Kanagawa-ken, JP;
Satoshi Kudo, Kanagawa-ken, JP;
Toru Suzuki, Kanagawa-ken, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The present invention solves problems attributable to color mixing occurring at a region where an ink container containing three or more different inks and an inkjet printing head are connected as a result of repetition of connection and disconnection of the components. An ink cartridge has a joint section which is connected to a printing head unit when the inks are supplied to the printing head unit. The printing head unit performs printing by ejecting the cyan, magenta, and yellow inks. At the joint section, a supplying part for the cyan ink, a supplying part for the magenta ink, and a supplying part for the yellow ink are arranged in the order listed. The interval between the yellow ink supplying part and the magenta ink supplying part is greater than the interval between the cyan ink supplying part and the magenta ink supplying part.