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