Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11381899 | Headphone control system | Hui Chen, Hsu-Kuo Liang | 2022-07-05 |
| 9773181 | Intelligent entrance guard unlocking system and unlocking method thereof | Hsin-Nan Chen, Chia-Wei Chang, CHIH-CHUNG WENG, Kuang-Yao Liao | 2017-09-26 |
| 9569904 | Intelligent entrance guard unlocking system and unlocking method thereof | Hsin-Nan Chen, Chia-Wei Chang, Kuang-Yao Liao, CHIH-CHUNG WENG | 2017-02-14 |
| 9563800 | Intelligent entrance guard unlocking system and unlocking method thereof | Hsin-Nan Chen, Chia-Wei Chang, Kuang-Yao Liao, CHIH-CHUNG WENG | 2017-02-07 |
| 9547947 | Intelligent entrance guard unlocking system and unlocking method thereof | Hsin-Nan Chen, Chia-Wei Chang, CHIH-CHUNG WENG, Kuang-Yao Liao | 2017-01-17 |
| 9489784 | Intelligent entrance guard unlocking system and unlocking method thereof | Hsin-Nan Chen, Chia-Wei Chang, CHIH-CHUNG WENG, Kuang-Yao Liao | 2016-11-08 |