Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › IC card system and method for securing the system

IC card system and method for securing the system

US Patent 6283369 · Granted Sep 4, 2001

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Modified hyaluronic acid and/or a salt thereof, method for producing the same, a2015
Application terminal2004
Portable electronic device and loyalty point system2002
Card reader/writer and communication method of card reader writer2002
Overcurrent protection circuit and overcurrent protection method of the circuit1999
IC card reader/writer1998
Battery operated portable terminal device and method of operation1995
Electronic device with calendar function1990