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:
Jul. 21, 2026
Filed:
Nov. 02, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Kyosuke Nagaoka, Tokyo, JP;
Hirotomo Taniguchi, Saitama, JP;
Roy Josephus Stephanus Derks, Venray, NL;
Peter Joseph Hollands, Baarlo, NL;
Hans Reinten, Velden, NL;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid discharge head includes a discharge port through which a liquid is discharged, an element for discharging the liquid from the discharge port, a channel through which the liquid is supplied to the discharge port, and a film member that is provided so as to be in contact with the liquid in a liquid chamber in the channel. The film member has a corrugated structure in which a plurality of loop-shaped projecting portions and a plurality of loop-shaped recessed portions are alternately formed. When seen in a direction perpendicular to a plane of the film member, the corrugated structure has a loop shape having a linear portion.