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:
Mar. 03, 2015
Filed:
Aug. 15, 2012
Applicants:
Yoichi Hayakawa, Tokyo, JP;
Masahiro Sonoda, Tokyo, JP;
Inventors:
Yoichi Hayakawa, Tokyo, JP;
Masahiro Sonoda, Tokyo, JP;
Assignee:
Oki Data Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/08 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0863 (2013.01); G03G 21/1878 (2013.01);
Abstract
An image forming unit includes an image forming part forming an image, and a developer containing part containing a developer, removably installed to the image forming part, and supplying the developer to the image forming part. The image forming part includes a first memory part storing first usage information indicating usage information of the image forming part and second usage information indicating usage information of the developer in the image forming part.