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:
Mar. 31, 2026
Filed:
Feb. 20, 2024
Seiko Epson Corporation, Tokyo, JP;
Manabu Taniguchi, Shiojiri, JP;
Takanori Aimono, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting head includes a plurality of nozzles arranged in a Y direction and ejecting liquid in a Z direction intersecting with the Y direction; and a plurality of nozzle flow passages each being continuous to corresponding one of the plurality of nozzles and extending in an X direction intersecting with the Y direction and with the Z direction, wherein each of the plurality of nozzles includes a first portion and a second portion, the second portion being located closer to the nozzle flow passage in the Z direction than the first portion is, capacity of the first portion is smaller than capacity of the second portion, and M/M<0.26, where Mis inertance of the first portion, and Mis inertance of the second portion.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile