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:
Nov. 22, 2016
Filed:
May. 20, 2015
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Maki Kato, Fuchu, JP;
Takahiro Matsui, Yokohama, JP;
Ichiro Saito, Yokohama, JP;
Yuzuru Ishida, Yokohama, JP;
Kenji Takahashi, Yokohama, JP;
Norihiro Yoshinari, Kawasaki, JP;
Yoshinori Misumi, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/165 (2006.01); B41J 2/14 (2006.01); B41J 2/045 (2006.01);
U.S. Cl.
CPC ...
B41J 2/16517 (2013.01); B41J 2/0451 (2013.01); B41J 2/0458 (2013.01); B41J 2/04508 (2013.01); B41J 2/04555 (2013.01); B41J 2/14072 (2013.01); B41J 2/14153 (2013.01); B41J 2/16508 (2013.01); B41J 2/16523 (2013.01); B41J 2/16532 (2013.01); B41J 2002/14354 (2013.01); B41J 2002/16564 (2013.01);
Abstract
Cleaning under appropriate cleaning conditions is performed by disposing an electrode pair for measuring conductivity in the same liquid chamber as that of a material layer (i.e., an upper electrode) of a surface of a thermal action portion to be eluted, and measuring conductivity of a liquid using the electrode pair before kogation is removed.