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. 20, 2026
Filed:
May. 15, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Ryotaro Murakami, Kanagawa, JP;
Atsushi Hiramoto, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection chip has a first flow channel substrate and a second flow channel substrate bonded to each other by using an adhesive, the first flow channel substrate having an energy generation element configured to generate energy for ejecting liquid and a first flow channel configured to supply the liquid to the energy generation element, the second flow channel substrate having a second flow channel connecting to the first flow channel. Recess portions are formed at each of a wall surface of the first flow channel and a wall surface of the second flow channel, and in terms of at least one of depth and width of the recess portions, the first flow channel substrate>the second flow channel substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile