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:
Oct. 26, 2021
Filed:
May. 28, 2020
Seiko Epson Corporation, Tokyo, JP;
Masahiko Sato, Matsumoto, JP;
Hiroyuki Hagiwara, Matsumoto, JP;
Hironori Matsuoka, Matsumoto, JP;
Hiroyuki Kobayashi, Azumino, JP;
Takahiro Kanegae, Shiojiri, JP;
Seiko Epson Corporation, Tokyo, JP;
Abstract
A liquid ejecting unit includes: a first chamber; a second chamber; a third chamber; a fourth chamber; a first liquid passage for supplying a first type of liquid to the first chamber and the third chamber; a second liquid passage for supplying a second type of liquid to the second chamber and the fourth chamber, the second type of liquid differing from the first type of liquid; a first fluid passage for supplying fluid to the first chamber and the second chamber; and a second fluid passage for supplying the fluid to the third chamber and the fourth chamber.