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. 27, 2026
Filed:
Sep. 27, 2023
Applicant:
Seiko Epson Corporation, Tokyo, JP;
Inventors:
Kaoru Koike, Matsumoto, JP;
Keigo Takishima, Matsumoto, JP;
Assignee:
Seiko Epson Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/377 (2006.01);
U.S. Cl.
CPC ...
B41J 29/377 (2013.01);
Abstract
A liquid ejection deviceincludes a headfor ejecting liquid, a board casefor housing a board unitfor driving the head, a first fanfixed to the board caseand for sending airflow into the board case, a carriagefor housing therein the headand the board case, and a second fanfor sending airflow taken from outside the carriageinto the carriage, wherein the board unitis connected to the headvia a board-to-board connector, and the amount of airflow sent into the carriageby the second fanis larger than the amount of airflow sent into the board caseby the first fan