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:
May. 01, 2007
Filed:
Jan. 10, 2006
Applicants:
Shuitsu Sato, Tokyo, JP;
Takashi Urabe, Shizuoka-ken, JP;
Yasuhito Noda, Mishima, JP;
Inventors:
Assignees:
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
A developing agent comprising color toners and a cyan toner, the color toners including a yellow toner, a magenta toner, and a black toner, wherein the black toner comprises a binder resin containing a crystalline polyester resin, and the yellow toner, the magenta toner and the cyan toner each comprise a binder resin containing no crystalline polyester resin.