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:
Feb. 24, 2015
Filed:
Sep. 14, 2012
Applicant:
Tsutomu Yokouchi, Kanagawa, JP;
Inventor:
Tsutomu Yokouchi, Kanagawa, JP;
Assignee:
Fujifilm Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 29/393 (2006.01); B41J 29/38 (2006.01); B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14153 (2013.01); B41J 2/14233 (2013.01); B41J 2/1603 (2013.01); B41J 2/161 (2013.01); B41J 2/1623 (2013.01); B41J 2/1626 (2013.01); B41J 2/1631 (2013.01); B41J 2002/14354 (2013.01);
Abstract
A liquid ejection head includes: a nozzle plate formed with a nozzle aperture through which liquid is ejected; and a flow channel plate formed with at least a flow channel connected to the nozzle aperture, the flow channel plate being bonded to the nozzle plate with the flow channel aligned to the nozzle aperture in the nozzle plate, wherein the nozzle plate is provided with a detection element configured to detect a mechanical abnormality in the nozzle plate.