Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8313026 | Radio frequency identification chip and setting and operating methods of same | Wei-Tse Chang, Hsu Chang, Chien-Hsing Lin | 2012-11-20 |
| 7714750 | Audio processing circuit and method | Zhi-Ren Chang, Shin-Ing Hsieh, Kuo-Feng Hsu, Horng-Der Chang | 2010-05-11 |