Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › User authentication system for authenticating an authorized user of an IC card

User authentication system for authenticating an authorized user of an IC card

US Patent 6067621 · Granted May 23, 2000

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Video injection for video communication2016
Framework for voice controlling applications2015
Display apparatus, client, image display system including the same, and image di2015
Copy protection system for portable storage media2005