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:
Nov. 04, 2025
Filed:
Aug. 24, 2023
Seiko Epson Corporation, Tokyo, JP;
Takuma Hayashi, Nagano, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
The print headincludes a nozzle region NAin which a distance between a nozzle arrayY and a nozzle arrayC is a distance Dand a nozzle region NAin which a distance between a nozzle arrayY and a nozzle arrayC is a distance D. When a ratio of sizes of a plurality of ink droplets ejected from nozzles of a nozzle region NAis defined as a first ratio and a ratio of sizes of a plurality of ink droplets ejected from nozzles of a nozzle region NAis defined as a second ratio, a control sectionexecutes a first print in which a ratio of ink droplets having a size other than a maximum size in the second ratio is smaller than a ratio of ink droplets having a size other than a maximum size in the first ratio.