Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Digital imaging method and apparatus for detection of document security marks

Digital imaging method and apparatus for detection of document security marks

US Patent 6542629 · Granted Apr 1, 2003

Estimated economic value: $8,486,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Hybrid linear-boost DC-DC converter with continuous input current regulation2025
Centralized management, provisioning and monitoring of cloud infrastructure2024
Virtual infrastructure manager enhancements for remote edge cloud deployments2023
Prediction method for coal and gas outburst based on comparing borehole gas flow2023
Video-based system for automated detection of double parking violations2022
Virtual infrastructure manager enhancements for remote edge cloud deployments2021
Stun gun2020
Image capture by scene classification2018
Electric stun gun2018
Reducing smear and slow response artifacts in vector error diffusion2017
Robust cropping of license plate images2017
Automated processing method for bus crossing enforcement2017