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:
May. 31, 2022
Filed:
Jul. 08, 2019
Hewlett-packard Development Company, L.p., Spring, TX (US);
Sejong Kim, Seongnam-si, KR;
Jung-Hun Kim, Seongnam-si, KR;
Sangmi Kim, Seongnam-si, KR;
Hyun-woo Yoo, Seongnam-si, KR;
Hewlett-Packard Development Company, L.P., Spring, TX (US);
Abstract
An image forming device and an operating method of an image forming device are provided. The operating method includes receiving first authentication information of a first user with respect to the image forming device, authenticating the first authentication information of the first user, based on reference account information of a plurality of users, the reference account information being stored in a storage based on a blockchain that distributes and manages a ledger in which user account information including authentication information and authority information of a user with respect to a certain image forming device has been recorded, when the authentication of the first user is completed, receiving a request to perform a first image forming job, and evaluating first authority information indicating an authority range of the first user, based on the reference account information of the plurality of users, and performing the first image forming job within the authority range of the first user.