Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Method and system for recovering the validity of cryptographically signed digital data

Method and system for recovering the validity of cryptographically signed digital data

US Patent 7134021 · Granted Nov 7, 2006

Estimated economic value: $111,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Programmable controller, programmable controller system, and recording medium2025
Multilayer structure, method for producing same, packaging material and product 2024
Multilayer structure and method for producing same, coating liquid, packaging ma2023
Multilayer structure and method for producing same, coating liquid, packaging ma2022
Method for producing composite structural material2020
Multilayer structure, method for producing same, packaging material and product 2020
Electronic device and method for producing same2020
Multilayer structure, packaging material and product including same, and protect2019
Memory diagnosis apparatus and memory diagnosis program2019
Multilayer structure, method for producing same, packaging material and product 2019
Multilayer structure and packaging material including same2019
Multilayer label, container including the same, and method for producing contain2019