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. 24, 2009
Filed:
Aug. 30, 2004
Applicants:
Yasuhiro Hattori, Kanagawa, JP;
Ken Satoh, Tokyo, JP;
Hidenori Shindoh, Tokyo, JP;
Takahiro Yamazaki, Kanagawa, JP;
Inventors:
Yasuhiro Hattori, Kanagawa, JP;
Ken Satoh, Tokyo, JP;
Hidenori Shindoh, Tokyo, JP;
Takahiro Yamazaki, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An image forming apparatus includes a plurality of erase information each showing whether or not to erase data for each of a plurality of divided areas into which the hard disk is divided, group erase information showing groups grouping the erase information, and erase count information determined based on the group erase information. Based on the erase count information whether or not there is a divided area to erase, the divided area is erased.