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:
Oct. 02, 2012
Filed:
Feb. 22, 2010
Applicants:
Eiichi Yoshida, Tokyo, JP;
Kenichi Onaka, Tokyo, JP;
Inventors:
Eiichi Yoshida, Tokyo, JP;
Kenichi Onaka, Tokyo, JP;
Assignee:
Konica Minolta Business Technologies, Inc., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 5/00 (2006.01); G03G 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is a method of manufacturing an electrostatic charge image developing toner exhibiting reduced variation in charging amount among manufacturing lots, which is capable of generating no fog, and acquiring high density print images. Disclosed is a method of manufacturing an electrostatic charge image developing toner, possessing the step of washing toner mother particles having been formed in an aqueous medium with washing water, wherein the washing water has a total dissolution component amount of at least 0.05 mg/liter and less than 0.5 mg/liter.