Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9210489 | Off-axial audio speaker using single audio source | Ming-Chung Chu, Pin-Tang Lee | 2015-12-08 |
| 9210513 | Multiple-ring coaxial audio speaker using single audio source | Ming-Chung Chu | 2015-12-08 |