Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9094751 | Headphone apparatus and audio driving apparatus thereof | Yi-Lung Chen | 2015-07-28 |
| 7482782 | Charge control system using pulse width modulation | Chih-Min Hsu, Albert Chen, Cheng-Chieh Ku, Jui-Liang Wang, Charles Huang | 2009-01-27 |