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:
Jul. 29, 2025
Filed:
Feb. 01, 2023
Seiko Epson Corporation, Tokyo, JP;
Takanori Aimono, Matsumoto, JP;
Yuma Fukuzawa, Matsumoto, JP;
Shohei Mizuta, Matsumoto, JP;
Shotaro Tamai, Matsumoto, JP;
Shun Katsuie, Matsumoto, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting head includes: a nozzle; first to fourth pressure chambers; a communication flow path communicating between the nozzle and the first to fourth pressure chambers; first to fourth driving elements; a first common liquid chamber communicating with the first and the second pressure chambers; and a second common liquid chamber communicating with the third and the fourth pressure chambers. A first joining position from the first pressure chamber and the second pressure chamber to the nozzle is closer to end portions of the first pressure chamber and the second pressure chamber on a nozzle side than to the nozzle, and a second joining position from the third pressure chamber and the fourth pressure chamber to the nozzle is closer to end portions of the third pressure chamber and the fourth pressure chamber on the nozzle side than to the nozzle.