Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9148777 | Inter-network profile repository interworking systems and methods | Priscilla Lau, Patricia R. Chang, Paula Scharlach, Mingxing S. Li | 2015-09-29 |
| 8892068 | Real-time usage monitoring for communication devices | Patricia R. Chang, Barry F. Hoffner, Scott Alan Tiziani, Javier A. Ferro, Phillip A. Ritter | 2014-11-18 |
| 8321565 | Network usage throttling systems and methods | Derek Hongwei Bao, Patricia R. Chang, Paula Scharlach | 2012-11-27 |