Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11229144 | Heat dissipation housing, manufacturing method thereof and electronic device using the same | Cheng-Chung Chang | 2022-01-18 |
| 7626812 | Removable hard-disk structure without screws | Cheng-Chung Chang | 2009-12-01 |