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:
Feb. 24, 2004
Filed:
Mar. 08, 2002
Applicant:
Inventors:
Shigenori Yaguchi, Ibaraki, JP;
Ryuuichi Shimizu, Ibaraki, JP;
Junji Kobayashi, Ibaraki, JP;
Tsuneaki Kawanishi, Ibaraki, JP;
Nobuyoshi Hoshi, Ibaraki, JP;
Assignee:
Hitachi Printing Solutions, Ltd., Ebina, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 9/08 ;
U.S. Cl.
CPC ...
G03G 9/08 ;
Abstract
Electrostatic charge developing toner contains at least fixing resin, a coloring agent and wax. Wax having number average molecular weight of not higher than 600 is contained as a component of the wax. A volume average particle size of the toner is in a range of from 5 &mgr;m to 10 &mgr;m. Toner particles each having a particle size of not larger than 4 &mgr;m are contained by 10% or lower by number of the total number of toner particles.