Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8023264 | Battery cover latch mechanism and portable electronic device using same | ZHI-YUN SHEN, Zheng Shi, Chih-Chiang Chang | 2011-09-20 |
| 7789439 | Battery cover latch mechanism and portable electronic device using same | Xiang Zhao, Chih-Chiang Chang, Zhi Li, ZHI-YUN SHEN | 2010-09-07 |