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. 01, 2026
Filed:
Jun. 12, 2024
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventor:
Yoshiyuki Nakagawa, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2006.01); B41J 2/14 (2006.01); B41J 2/175 (2006.01); B41J 2/19 (2006.01);
U.S. Cl.
CPC ...
B41J 2/18 (2013.01); B41J 2/1404 (2013.01); B41J 2/14145 (2013.01); B41J 2/17596 (2013.01); B41J 2/19 (2013.01); B41J 2202/12 (2013.01);
Abstract
A liquid ejection head including: an ejection port portion with an ejection port configured to eject liquid in an ejection direction; a pressure chamber that includes therein an energy-generating element to eject the liquid from the ejection port; a supply channel configured to supply the liquid to the pressure chamber; a collecting channel configured to collect the liquid from the pressure chamber; and a pump configured to cause the liquid in the collecting channel to flow into the supply channel, wherein Fis 1.4 or less.