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:
Jun. 09, 2026
Filed:
Aug. 01, 2023
Seiko Epson Corporation, Tokyo, JP;
Motoki Takabe, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting head includes a plurality of individual flow passages and a first common flow passage. The plurality of individual flow passages is provided correspondingly to a plurality of nozzles from which a liquid is ejected. The first common flow passage is in shared communication with the plurality of individual flow passages and supplies a liquid to the plurality of individual flow passages. A filter is provided in the first common flow passage. The filter is comprised of a plurality of protruding portions protruding from a first wall surface among a plurality of wall surfaces of the first common flow passage. The plurality of protruding portions is not in contact with any of the plurality of wall surfaces of the first common flow passage, except for the first wall surface.