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:
Oct. 28, 2025
Filed:
Aug. 18, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Takashi Kato, Kanagawa, JP;
Yoshiyuki Nakagawa, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/145 (2006.01); B41J 2/14 (2006.01); B41J 2/175 (2006.01);
U.S. Cl.
CPC ...
B41J 2/145 (2013.01); B41J 2/14016 (2013.01); B41J 2/175 (2013.01);
Abstract
In a liquid ejection head capable of suppressing a decrease in printing quality, circulation efficiency J at an ejection orifice on a downstream side in a flow direction in a channel is set high.