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:
Nov. 04, 2025
Filed:
Aug. 15, 2023
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yuya Yamada, Tokyo, JP;
Satoshi Ibe, Kanagawa, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/16 (2006.01); B41J 2/14 (2006.01);
U.S. Cl.
CPC ...
B41J 2/1623 (2013.01); B41J 2/14032 (2013.01); B41J 2/14201 (2013.01); B41J 2/1601 (2013.01); B41J 2/1607 (2013.01);
Abstract
A liquid ejection head includes a recording element substrate and a supporting member. The recording element substrate includes ejection ports that eject liquid, pressure chambers that communicate with respective ejection ports and are supplied with the liquid, and a liquid supply path that supplies the liquid to the pressure chambers. The supporting member is joined with the recording element substrate via an adhesive. The liquid supply path faces a joining portion of the recording element substrate and the supporting member, and includes at least one recess portion on an inner surface of the liquid supply path.