Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9779725 | Voice wakeup detecting device and method | Liang Sun, Chia-Hsien Lu, Yiou-Wen Cheng | 2017-10-03 |
| 8135219 | Method of detecting and compensating fail pixel in hologram optical storage system | Chia-Yen Chang | 2012-03-13 |
| 7567191 | Encoding method and encoder for generating balanced code or constant weighted code | Chia-Yen Chang | 2009-07-28 |
| 7460446 | Method and system for generating a feedback signal in optical disc drives | — | 2008-12-02 |
| 7145849 | Method to reduce the offset component of tracking error in an optical disc player | Chia-Yen Chang | 2006-12-05 |