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:
Dec. 04, 2018
Filed:
Apr. 26, 2017
Canon Kabushiki Kaisha, Tokyo, JP;
Sayaka Seki, Tokyo, JP;
Yuichiro Akama, Tokyo, JP;
Yuji Tamaru, Yokohama, JP;
Naoko Tsujiuchi, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a liquid discharge head, a third discharge port array group Cwhich discharges a liquid of cyan, a second discharge port array group Mwhich discharges a liquid of magenta, a fourth discharge port array group G which discharges a liquid of gray, a first discharge port array group Y which discharges a liquid of yellow, a second discharge port array group Mwhich discharges a liquid of magenta, a third discharge port array group Cwhich discharges a liquid of cyan are arranged in this order, in a direction. Each of discharge port arrays of the fourth discharge port array group G is formed of a plurality of discharge ports having a diameter smaller than that of a plurality of discharge ports which constitute first discharge port arrays of the second and third discharge port array groups C, C, Mand M