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:
Jun. 17, 2025
Filed:
Sep. 13, 2022
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Tatsuya Sato, Tokyo, JP;
Taku Shimosawa, Tokyo, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G06Q 30/00 (2023.01); G06Q 50/26 (2012.01);
U.S. Cl.
CPC ...
G06Q 50/26 (2013.01);
Abstract
In a distributed ledger system including nodes of a plurality of organizations, a smart contract of a distributed ledger node of each of the organizations refers to information made open to the public in a public area, the information being related to an evidence held in a private area of each of the plurality of organizations, and in response to a trigger event of the information's meeting a given condition, executes a process of making the evidence open to the public in the public area, the evidence being held in the private area of an organization to which the smart contract belongs.