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:
Aug. 26, 2025
Filed:
Mar. 16, 2023
Seiko Epson Corporation, Tokyo, JP;
Hiroyuki Tomimatsu, Suwa, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejection device includes a liquid ejection portion including a plurality of first nozzles configured to eject a first liquid containing an inorganic pigment and a plurality of second nozzles configured to eject a second liquid not containing a substance having a hardness the same as or higher than a hardness of the inorganic pigment contained in the first liquid, and a control portion, wherein the control portion performs the cleaning such that a proportion of the inorganic pigment of the first liquid in a mixed liquid, remaining on the nozzle surface, containing the first liquid and the second liquid is smaller than a proportion of the inorganic pigment in the first liquid, and then performs wiping of the nozzle surface.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile