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:
Jan. 31, 2023
Filed:
Mar. 04, 2021
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G06Q 20/38 (2012.01); G06Q 20/40 (2012.01); H04L 67/104 (2022.01); H04L 67/1074 (2022.01); H04L 9/06 (2006.01); H04L 9/00 (2022.01);
U.S. Cl.
CPC ...
G06Q 20/389 (2013.01); G06Q 20/401 (2013.01); H04L 9/0643 (2013.01); H04L 67/1044 (2013.01); H04L 67/1074 (2013.01); H04L 9/50 (2022.05);
Abstract
A distributed ledger management systemincludes: an orderer nodethat generates a block containing transactions issued by a client, verifies the validity of the transactions contained in the block, distributes the block and verification results to a peer node, adds the block to a blockchainin its storage device, and stores the verification results in its storage device; and the peer nodethat receives the block and verification results from the orderer node, adds information on predetermined events indicated by the transactions to state informationin a storage device of the peer node, and discards the block and verification results.