Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8565907 | Audio mixing device and method | Yi-Chang Tu | 2013-10-22 |
| 8249053 | Voice communication system | Wen-Cheng Shih, Ting-Chien Kuo | 2012-08-21 |
| 7071702 | Multi-jack detector | Ming-Jane Hsieh, Chuting Su, Yi-Shu Chang | 2006-07-04 |