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. 14, 2025
Filed:
Sep. 27, 2023
Seiko Epson Corporation, Tokyo, JP;
Eiichiro Watanabe, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
An individual flow path that communicates with a nozzle, a supply side common liquid chamber for supplying ink to the nozzle, a recovery side common liquid chamber for recovering the ink not discharged from the nozzle, an inlet that communicates with the supply side common liquid chamber, an outlet that communicates with the recovery side common liquid chamber, a first bypass flow path, and a second bypass flow path are provided, in which the inlet and the outlet are disposed between the first bypass flow path and the second bypass flow path, and a flow path resistance of the first bypass flow path and a flow path resistance of the second bypass flow path are different from each other.