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. 22, 2018
Filed:
May. 16, 2016
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Hiromasa Amma, Kawasaki, JP;
Mikiya Umeyama, Tokyo, JP;
Genji Inada, Koshigaya, JP;
Takuya Iwano, Inagi, JP;
Yasuyuki Takanaka, Yokohama, JP;
Masaya Uetsuki, Yokohama, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41J 2/175 (2006.01); B41J 29/02 (2006.01);
U.S. Cl.
CPC ...
B41J 2/17513 (2013.01); B41J 2/1752 (2013.01); B41J 2/17553 (2013.01); B41J 29/02 (2013.01); B41J 2/17563 (2013.01);
Abstract
Provided are a liquid ejection head, a liquid ejection apparatus and a manufacturing method for the liquid ejection head which make it possible to achieve both of high-speed printing and a reduction in number of recovering operations. A liquid chamber which is formed in a part of a flow passage that guides liquid to an ejection element substrate includes plural supply paths which are able to supply the liquid by capillarity, are connected together and are different from one another in width.