Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10368158 | Earphone device that switched to an open-type or a closed-type earphone device | Shih-Hsiung Hsiao | 2019-07-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10368158 | Earphone device that switched to an open-type or a closed-type earphone device | Shih-Hsiung Hsiao | 2019-07-30 |