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:
Jul. 15, 2003
Filed:
Mar. 13, 2001
Applicant:
Inventors:
Yasuyuki Ishii, Mishima, JP;
Tomomi Kakeshita, Mishima, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 1/508 ;
U.S. Cl.
CPC ...
G03G 1/508 ;
Abstract
A developing apparatus, which can obtain a stable toner charging amount even if a developer charging member is contaminated by toner and reduce reversal fog to reduce toner consumption, has a developer carrying body for carrying a developer to a developing position, and a developer charging member contacted with the developer to charge the developer, wherein the developer includes toner and conductive particles.