Around 423 patents have been published in the span of 4.2 years from 2000 till February 2005. The major market in RFID-based supply chain applications appears to be the United States.
'''Technology area focus of key players:'''
* Digital Data Processing
* Communication Techniques
* Signaling Or Calling Systems
'''Some of the key players identified are:'''
* United Parcel Service
* G.E.
* Savi tech.
'''Various software applications cited in patents:'''
* Business applications
* UPS Supply Chain Solutions
* Source code, object code, or scripting code.
'''Key applications area identified:'''
* Food and pharma industry
* Semiconductors and High-value electronic items
* Airport and shipyard
'''Key RFID Tracking applications:'''
* Assets
* Equipment