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:
Oct. 28, 2025
Filed:
Dec. 08, 2021
Applicant:
Nec Corporation, Tokyo, JP;
Inventor:
Nobuaki Kawase, Tokyo, JP;
Assignee:
NEC CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06F 21/33 (2013.01); G06F 21/32 (2013.01);
U.S. Cl.
CPC ...
G06F 21/33 (2013.01); G06F 21/32 (2013.01);
Abstract
A system includes a user terminal and a plurality of ledger nodes. The user terminal acquires an object fingerprint of an item and biometric information of an owner of the item. The plurality of ledger nodes provides an electronic bulletin board. The user terminal writes an ownership right certificate including the object fingerprint of the item and the biometric information of the owner on the electronic bulletin board. The system may further include a server apparatus. The user terminal may transmit an item registration request including at least the object fingerprint of the item and the biometric information of the owner to the server apparatus.