Issued Patents 2011
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991132 | Billing method and system, and billing server | — | 2011-08-02 |
SY
Shengqiang Yang
Overall (2011): #164,690 of 364,097Top 50%
1
Patents 2011