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:
Jul. 28, 2020
Filed:
Apr. 01, 2019
Canon Kabushiki Kaisha, Tokyo, JP;
Koichi Ishida, Tokyo, JP;
Shuzo Iwanaga, Kawasaki, JP;
Shintaro Kasai, Yokohama, JP;
Yoshiyuki Nakagawa, Kawasaki, JP;
Akiko Hammura, Tokyo, JP;
Takatsugu Moriya, Tokyo, JP;
Tomohiro Sato, Tokyo, JP;
Tatsuya Yamada, Kawasaki, JP;
Tomoki Ishiwata, Kawasaki, JP;
Ayako Iwasaki, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A liquid ejection head including first and second recording element substrates adjacent in a direction intersecting a relative movement direction include ejection opening rows that include ejection openings arranged in the intersecting direction. A straight line connecting the ejection openings in end portions on a second recording element substrate side in the first recording element substrate and a straight line connecting the ejection openings in end portions on a first recording element substrate side in the second recording element substrate are inclined towards a middle area side of the first recording element substrate, and arrangement intervals of the ejection openings in an end portion area on the second recording element substrate side of a first ejection opening row is larger than arrangement intervals of the ejection openings in an end portion area on the first recording element substrate side of a second ejection opening row.