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:
Jan. 25, 2022
Filed:
Jun. 02, 2020
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventor:
Shigeki Suzuki, Shiojiri, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/14 (2006.01); B41J 2/16 (2006.01); B41J 2/145 (2006.01); B41J 2/165 (2006.01);
U.S. Cl.
CPC ...
B41J 2/145 (2013.01); B41J 2/1433 (2013.01); B41J 2/16505 (2013.01);
Abstract
A head unit includes a first ejection head having a first nozzle surface including first nozzles configured to eject liquid, wherein a first region having water repellency is provided on a first side on a first axis with respect to a range in which the first nozzles are formed, the first axis extending along the first nozzle surface, and a second region having water repellency lower than the first region is provided on a second side on the first axis with respect to the range in which the first nozzles are formed.