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. 25, 2026
Filed:
Feb. 13, 2024
Seiko Epson Corporation, Tokyo, JP;
Osamu Katsuda, Matsumoto, JP;
Tomoki Abe, Matsumoto, JP;
SEIKO EPSON CORPORATION, Tokyo, JP;
Abstract
A liquid ejection device includes an ejector configured to eject a liquid in a continuous flow, form the continuous flow into droplets, and cause a collision with an object in a form of the droplets, a liquid feeder includes a liquid reservoir, a displacement part, and a drive unit, the displacement part is placed to increase a volume of the liquid reservoir chamber when displaced to increase a volume of the first pressure chamber relative to the volume of the liquid reservoir, and decrease the volume of the liquid reservoir chamber when displaced to increase a volume of the second pressure chamber relative to the volume of the liquid reservoir, the displacement part is displaced to increase the volume of the first pressure chamber at a suction operation, and the displacement part is displaced to increase the volume of the second pressure chamber at an ejection operation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile