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. 08, 2005
Filed:
Sep. 22, 2003
Tomoaki Tanaka, Kawasaki, JP;
Satoshi Takezawa, Kawasaki, JP;
Yoshimichi Katagiri, Kawasaki, JP;
Masae Nakamura, Kawasaki, JP;
Tomoaki Tanaka, Kawasaki, JP;
Satoshi Takezawa, Kawasaki, JP;
Yoshimichi Katagiri, Kawasaki, JP;
Masae Nakamura, Kawasaki, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
A developing device for electrophotographic image has a developing mechanism having a developer carrier for carrying a developer along a preset circulating route including a developing area and a developer restricting element for restricting the developer on the developer carrier, and a developer supply mechanism having a storing unit. The storing unit is filled with a start-up developer in the vicinity of the developer carrier and a replenishing developer remoter than the start-up developer from the developer carrier. The start-up developer and the replenishing developer have different grain sizes or grain size distributions. Further, a developing method for electrophotograhic image has the steps of using the start-up developer at an initial state of use of the developing mechanism, and using the replenishing developer differed in grain size or grain size distribution from the start-up developer after an end of the initial state of use of the developing mechanism.