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.:

US 8639942 B1

PDF
Full Text
Expired
Date of Patent:
Jan. 28, 2014

Filed:

Mar. 11, 2008
Applicant:

Kiwamu Okabe, Kanagawa, JP;

Inventor:

Kiwamu Okabe, Kanagawa, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 11/30 (2006.01);
U.S. Cl.
CPC ...
Abstract

An information processing apparatus, a software update method, and an image processing apparatus capable of encrypting and decrypting information using values uniquely calculated from booted primary modules or booted backup modules with less effort are disclosed. The information processing apparatus includes primary modules and the same kinds of backup modules, and includes a value storage unit storing values calculated from the modules, an encryption information storage unit storing information unique to the modules, an information decryption unit decrypting the information unique to the modules using the values in the value storage unit, and an encryption information update unit, when the module is updated, encrypting the information unique to the modules based on a value calculated from the each kind of the primary modules or the backup modules after the update.


Find Patent Forward Citations

Okabe, Kiwamu. (2014). Information processing apparatus, software update method, and image processing apparatus (U.S. Patent No. 8639942). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8639942

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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