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. 20, 2012
Filed:
Aug. 19, 2009
Applicants:
Jong-moon Eun, Seoul, KR;
Cheol-soo Yang, Yeongtong-gu, KR;
Jean-man Sur, Suwon-si, KR;
Inventors:
Assignee:
SAMSUNG Electronics Co., Ltd., Suwon-si, KR;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
Provided is an image forming apparatus which includes a developer to develop an image and a developer contact medium of which a surface contacts the developer, wherein asperities with a density of about 4×10to about 200×10pcs/cmare formed to form roughness on the surface of the developer contact medium.