Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9106994 | Ultra-slim speaker structure | — | 2015-08-11 |
| 9078056 | Audio resonance device | — | 2015-07-07 |
| 8897469 | Slim speaker structure having vibration effect | — | 2014-11-25 |
| 8824702 | Reverse-phase modulating structure of piezoelectric ceramic speaker | — | 2014-09-02 |
| 8548187 | Multi-channel sound producing structure for headphones | — | 2013-10-01 |
| 8494188 | Piezoelectric ceramic loudspeaker headphone structure | Chia-Hung Chiu | 2013-07-23 |
| 8433091 | Ultra-thin loudspeaker structure | Cheng-Hsiung Chen, Chu-You Hsieh, CHIN-CHOU YANG | 2013-04-30 |