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:
Apr. 29, 2025
Filed:
Feb. 08, 2023
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Hiromu Miyazawa, Azumino, JP;
Kinya Ozawa, Shiojiri, JP;
Assignee:
SEIKO EPSON CORPORATION, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/18 (2005.12); B41J 2/175 (2005.12);
U.S. Cl.
CPC ...
B41J 2/18 (2012.12); B41J 2/175 (2012.12); B41J 2202/12 (2012.12);
Abstract
A liquid ejecting head includes a nozzle that is in communication with a pressure chamber and ejects a first liquid, a passage formation substrate that has a liquid passage which extends from a common liquid chamber in communication with a plurality of pressure chambers to the nozzle and through which the first liquid flows, and a circulation passage that is formed in the passage formation substrate, passes near the nozzle, and is not in communication with the liquid passage, and through which a second liquid circulates.