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. 10, 2012
Filed:
Feb. 03, 2010
Masako Udagawa, Kawasaki, JP;
Shuichi Okazaki, Fujisawa, JP;
Hiroshi Kakikawa, Fujisawa, JP;
Yuuhei Shimizu, Kawasaki, JP;
Shinichi Hakamada, Kawasaki, JP;
Hideyuki Takai, Yokohama, JP;
Masako Udagawa, Kawasaki, JP;
Shuichi Okazaki, Fujisawa, JP;
Hiroshi Kakikawa, Fujisawa, JP;
Yuuhei Shimizu, Kawasaki, JP;
Shinichi Hakamada, Kawasaki, JP;
Hideyuki Takai, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An ink contains at least a pigment, wherein the pigment is C.I. Pigment Red 282, and a primary particle diameter D (nm) of the pigment and a 50%-cumulative diameter D50 (nm) in particle diameter distribution of the pigment satisfy a relation of D×0.95≦D50≦150, and a 90%-cumulative diameter D90 (nm) in particle diameter distribution of the pigment and the 50%-cumulative diameter D50 (nm) satisfy a relation of 1.5≦D90/D50≦2.5.