Issued Patents 2017
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9693161 | Close-type speaker leak test system and method | Jung-Lang Tsai | 2017-06-27 |
| 9632002 | Leak test system and method for testing semi-finished product of speaker | — | 2017-04-25 |
| 9578408 | Headphone device | — | 2017-02-21 |