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. 08, 2011
Filed:
Aug. 07, 2007
Kiyomitsu Kudo, Machida, JP;
Yukuo Yamaguchi, Tokyo, JP;
Genji Inada, Koshigaya, JP;
Mikiya Umeyama, Tokyo, JP;
Masaru Iketani, Atsugi, JP;
Satoshi Kudo, Sagamihara, JP;
Yuichiro Akama, Kawasaki, JP;
Chiaki Muraoka, Kawaguchi, JP;
Satoshi Kimura, Kawasaki, JP;
Kiyomitsu Kudo, Machida, JP;
Yukuo Yamaguchi, Tokyo, JP;
Genji Inada, Koshigaya, JP;
Mikiya Umeyama, Tokyo, JP;
Masaru Iketani, Atsugi, JP;
Satoshi Kudo, Sagamihara, JP;
Yuichiro Akama, Kawasaki, JP;
Chiaki Muraoka, Kawaguchi, JP;
Satoshi Kimura, Kawasaki, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recording head includes an element substrate; a plurality of ejection outlets, provided on the element substrate, for ejecting ink in a direction perpendicular to the element substrate; and a nozzle formation member having a plurality of ink flow paths which are in fluid communication with the ejection outlets, respectively. The ink flow paths are arranged at a density higher than 1200 dpi in an arranging direction of the ejection outlets and widths of flow passage walls forming the ink flow paths are smaller than heights of the ink flow paths and are smaller than widths of the ink flow paths.