Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7912198 | System and method for implementing multimedia ring back tone service | Hui Zhang, Yihua Cheng | 2011-03-22 |
WJ
Weirong Jin
Overall (All Time): #3,244,674 of 4,157,543Top 80%
1
Patents All Time