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. 16, 2023
Filed:
Jun. 03, 2020
Fujitsu Limited, Kawasaki, JP;
Dai Suzuki, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A communication device includes circuitry configured to acquire a digital certificate including information associated with a first attribute from a first device coupled to any of a plurality of devices sharing a distributed ledger having recorded therein a correspondence between an attribute of user information included in the digital certificate and a definition of the attribute, receive a request for information associated with a second attribute from a second device coupled to any of the plurality of devices, acquire a first definition associated with the first attribute, and a second definition associated with the second attribute, from any of the plurality of devices, and transmit a digital certificate including information associated with the first attribute to the second device together with a message notifying that the first attribute and the second attribute have the same definition, when the first definition and the second definition match.