Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9258630 | Coaxial audio speaker using single audio source | Ming-Chung Chu, Shoichi Taniguchi | 2016-02-09 |
| 9210489 | Off-axial audio speaker using single audio source | Ming-Chung Chu, Taniguchi Shoichi | 2015-12-08 |
| 9124976 | Treble and bass headphone structure | Ming-Chung Chu | 2015-09-01 |
| 8588453 | Reverse-direction co-axial earphone | — | 2013-11-19 |