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. 08, 2025
Filed:
Sep. 27, 2022
Daiki Sakurada, Kanagawa, JP;
Daiki Sakurada, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An information processing system includes a first information processing apparatus and a second information processing apparatus. The first information processing apparatus includes first circuitry. The first circuitry generates signature data for an update file based on a hash value obtained based on the update file and provide the update file. The second information processing apparatus includes second circuitry. The second circuitry obtains the update file and the signature data, verifies the update file with the signature data in updating a start-up file for the second information processing apparatus with the update file, updates the start-up file with the verified update file, generates, based on the hash value obtained based on the signature data, verification data for verifying the updated start-up file, and verifies the updated start-up file with the verification data in starting up the second information processing apparatus with the updated start-up file.
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