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:
Dec. 08, 2020
Filed:
Apr. 24, 2019
Kyocera Document Solutions Inc., Osaka, JP;
Naohiko Kosaka, Concord, CA (US);
KYOCERA Document Solutions Inc., Osaka, JP;
Abstract
Provided is a distributed type image forming system which reduces storage capacity of server. An encryption addition part encrypts a document data for outputting by pull print with a symmetric key, encrypts the symmetric key by a public key of a user who is permitted to output of the document data, and adds the encrypted symmetric key to the document data. A division part divides document data into a job block and a user block having the symmetric key encrypted by the public key of the user and generates the blockchain of document data. A key decoding part decrypts the symmetric key included in the user block with the secret key of the user. A block acquisition part acquires other blocks from preserving apparatuses. A document reproduction part packs each block to reproduce document data. An output part outputs the reproduced document data.