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:
Mar. 08, 2011
Filed:
Mar. 07, 2006
Hirofumi Ichinose, Setagaya-ku, JP;
Kouhei Nakagawa, Yokohama, JP;
Masako Udagawa, Kawasaki, JP;
Hideki Takayama, Fujisawa, JP;
Hirofumi Ichinose, Setagaya-ku, JP;
Kouhei Nakagawa, Yokohama, JP;
Masako Udagawa, Kawasaki, JP;
Hideki Takayama, Fujisawa, JP;
Canon Kabushiki Kaisha, , JP;
Abstract
To provide an ink set which achieves an improvement in gradation of a monochrome image and the realization of a high black density, and which solves gloss unevenness occurring upon formation of an image by means of at least three kinds of black inks different from one another in carbon black content. Provided is an ink set having at least three kinds of black inks different from one another in carbon black content in which carbon black contents in the at least three kinds of inks establish a specific relationship.