Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7889504 | Portable electronic device | Jin-Ching Guo, Ching-Sheng Chang, Hsin-Shun Chen | 2011-02-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7889504 | Portable electronic device | Jin-Ching Guo, Ching-Sheng Chang, Hsin-Shun Chen | 2011-02-15 |