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. 10, 2026
Filed:
May. 22, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Yuko Nishiwaki, Tokyo, JP;
Soichi Nagai, Kanagawa, JP;
Atsuhito Yoshizawa, Tokyo, JP;
Eriko Yoshino, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink jet recording method is provided that can record high quality images over a long period of time while suppressing a decrease in optical density at the edge of a black image adjacent to a color image, even in the case where an ink jet recording apparatus having a large capacity ink storage portion having an openable and closable ink inlet port is used. The method is an ink jet recording method including, using an ink jet recording apparatus having a first ink storage portion, a second ink storage portion and a recording head that ejects an aqueous ink, recording an image. The aqueous ink includes a black ink, and a color ink containing an organic pigment, and the content Pof the carbon black in the black ink and the content Pof the organic pigment in the color ink satisfy P≤P.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile