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. 22, 2011
Filed:
Mar. 07, 2008
Applicants:
Hiroyuki Yasukawa, Tokyo, JP;
Mikio Kouyama, Tokyo, JP;
Kenji Hayashi, Tokyo, JP;
Hiroaki Obata, Tokyo, JP;
Natsuko Kusaka, Tokyo, JP;
Inventors:
Hiroyuki Yasukawa, Tokyo, JP;
Mikio Kouyama, Tokyo, JP;
Kenji Hayashi, Tokyo, JP;
Hiroaki Obata, Tokyo, JP;
Natsuko Kusaka, Tokyo, JP;
Assignee:
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 9/09 (2006.01);
U.S. Cl.
CPC ...
Abstract
A magenta toner for developing an electrostatic image composed of a binder and a colorant is disclosed. The toner contains a tone controlling agent having a peak of fluorescent spectrum from 380 to 500 nm. An image excellent in light fastness and durability can be obtained and high color reproducibility with sufficient transparency and chromaticness can be realized by the magenta toner.