Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Reader/writer for contactless integrated circuit cards and management system for vending machines

Reader/writer for contactless integrated circuit cards and management system for vending machines

US Patent 7543742 · Granted Jun 9, 2009

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Voltage supply apparatus2017
Vehicle occupant protection device2016
Collision detection apparatus, collision determination method, and activation co2014
Passenger protection system2007
Data code label, a method of decoding data codes, and an optical data code decod2004
Tag reader writer2001
Identification tag for wireless communication with remote controller2000
Method for lapping two surfaces of a titanium disk1992
Method for mirror polishing of ti-made magnetic disk substrate1992