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. 23, 2010
Filed:
Jun. 11, 2007
Applicant:
Mineo Kaneko, Tokyo, JP;
Inventor:
Mineo Kaneko, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/145 (2006.01); B41J 2/15 (2006.01);
U.S. Cl.
CPC ...
Abstract
An ink jet recording head includes a first ink flow path array corresponding to a first recording element array, and a distance (La) between one end portion of an ink flow path and another end portion thereof across a first ink supply opening in the first ink flow path array is substantially equal to a distance (Lb) between one end portion of an ink flow path corresponding to a recording element located relatively far from a second supply opening and another end portion thereof across the second ink supply opening in a second ink flow path array.