Issued Patents 2017
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |