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. 24, 2020
Filed:
Dec. 16, 2019
Seiko Epson Corporation, Tokyo, JP;
Toshiyuki Yamagata, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejection head configured to eject a liquid through nozzles includes plural head sections including a first head section and a second head section. Each of the plurality of head sections includes plural nozzle rows. One of the plural nozzle rows of the first head section is supplied with an undercoat-forming liquid containing an undercoat-forming pigment with an average particle diameter of at least 200 nm at a concentration of at least 7 percent by mass. Each of the plural nozzle rows of the second head section is supplied with an image-forming liquid containing an image-forming pigment with an average particle diameter of less than 200 nm at a concentration of less than 7 percent by mass.