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.

Date of Patent:
Aug. 24, 2021

Filed:

Jul. 29, 2019
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Akiko Iimura, Utsunomiya, JP;

Hisashi Namba, Utsunomiya, JP;

Noriyasu Hasegawa, Utsunomiya, JP;

Masahiro Kuri, Utsunomiya, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01);
U.S. Cl.
CPC ...
B41J 2/16517 (2013.01); B41J 2002/16567 (2013.01);
Abstract

A liquid ejection device, a cleaning apparatus and a cleaning method for a module substrate, which can remove foreign matter on an ejection opening face and in a flow path connected with an ejection opening is provided. For that purpose, an ejection opening face is covered with liquid, cleaning is performed by driving a device configured to vibrate liquid, and after that the liquid is collected.


Find Patent Forward Citations

Loading…