Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11553263 | Sound box structure | Hao-Chien Hsu | 2023-01-10 |
| 11490206 | Micro-speaker and damper for micro-speakers | Hao-Chien Hsu | 2022-11-01 |
| 11044550 | Speaker device having a monolithic one-piece vibration damping structure | Hao-Chien Hsu | 2021-06-22 |