Patent · US Active

Computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, and verifying the data integrity of a digital document

US11924342B2 · kind B2 · utility

2Cited by

4References

21Claims

0Family size

Assignee

707 Limited · CN

Inventors

Johnson Zone An KONG · Tai Po, CN
Michael Lin · Seattle, US
Wei-Hsiung Yang · Gongguan, TW

Key dates

Filing date	Nov 15, 2021
Grant date	Mar 5, 2024
Priority date	—
Expiry date	May 15, 2042

Classification

Technology area (CPC G)Physics
CPC primaryG06F2221/2151
WIPO fieldDigital communication
WIPO sectorElectrical engineering

Abstract

Improved computer-implemented methods for evidencing the existence of a digital document, anonymously evidencing the existence of a digital document, database management for systems for evidencing the existence of a digital document, and verifying the data integrity of a digital document provide increased reliability, security and enhance trust from users and third parties.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.