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:
Mar. 22, 2011
Filed:
Feb. 16, 2007
Koji Morikoshi, Shiojiri, JP;
Koji Morikoshi, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejection apparatus includes: an ejection head that ejects a liquid from a nozzle; a cap that can seal an opening of the nozzle; an absorber that is disposed in the inside of the cap; a first ejection unit that allows to perform a first ejection toward the cap for maintenance of the nozzle; a suction unit that sucks the liquid from the cap; a second ejection unit that allows to perform a second ejection toward the cap for supplementing the liquid to the inside of the cap, before the suction; and a history managing unit that manages information on an accumulated ejection amount of a moisturizing component of the first ejection, wherein the second ejection unit allows to perform the second ejection on a condition based on the information.