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:
May. 26, 2015
Filed:
Jan. 13, 2012
Applicants:
Toru Yamane, Yokohama, JP;
Kenji Yabe, Yokohama, JP;
Inventors:
Toru Yamane, Yokohama, JP;
Kenji Yabe, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B21D 53/76 (2006.01); B23P 17/00 (2006.01); B41J 2/135 (2006.01); B41J 2/14 (2006.01); B41J 2/16 (2006.01);
U.S. Cl.
CPC ...
B41J 2/14032 (2013.01); B41J 2/1628 (2013.01); B41J 2/1629 (2013.01); B41J 2/1631 (2013.01); B41J 2/1645 (2013.01);
Abstract
A manufacture method can form an inkjet printing head by which a plurality of ejection openings have a uniform shape. Heaters adjacent to one another have thereamong a common conductive line commonly connected to these heaters or a dummy conductive line not involved in the energization of the heaters.