Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8068337 | Portable apparatus and positioning device thereof | Guo-Ping Yao, Shi-Kun Guo, XUE-DONG TANG, Qia-Kai Xie, Jin-Feng Liu | 2011-11-29 |
| 7990731 | Electronic device | Shi-Kun Guo, Guo-Ping Yao | 2011-08-02 |