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:
May. 12, 2026
Filed:
Aug. 22, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Naoko Shimizu, Kanagawa, JP;
Yoshiyuki Nakagawa, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 29/02 (2006.01);
U.S. Cl.
CPC ...
B41J 2/175 (2013.01); B41J 29/023 (2013.01); B41J 2202/12 (2013.01);
Abstract
A liquid ejection head and a liquid ejection apparatus can join the ejection member to the ejection member joining surface with a sufficient joining area, and suppress a decrease in joining reliability. To this end, second supply ports are provided in side portions of an ejection member.