Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12432481 | Headphone and headphone state detection method | Tsung-Pao Hsu, Jung-Pin Chien, Yao-Chun Tsai, Che-Yung Huang | 2025-09-30 |
| 12015903 | Headphone and headphone status detection method | Tsung-Pao Hsu, Jung-Pin Chien, Yao-Chun Tsai, You-Yu Lin | 2024-06-18 |
| 9773181 | Intelligent entrance guard unlocking system and unlocking method thereof | Wen-Kuei Chou, Chia-Wei Chang, CHIH-CHUNG WENG, Kuang-Yao Liao | 2017-09-26 |
| 9569904 | Intelligent entrance guard unlocking system and unlocking method thereof | Wen-Kuei Chou, Chia-Wei Chang, Kuang-Yao Liao, CHIH-CHUNG WENG | 2017-02-14 |
| 9563800 | Intelligent entrance guard unlocking system and unlocking method thereof | Chia-Wei Chang, Wen-Kuei Chou, Kuang-Yao Liao, CHIH-CHUNG WENG | 2017-02-07 |
| 9547947 | Intelligent entrance guard unlocking system and unlocking method thereof | Wen-Kuei Chou, Chia-Wei Chang, CHIH-CHUNG WENG, Kuang-Yao Liao | 2017-01-17 |
| 9536360 | Vehicle electronic key system | Chia-Wei Chang, Shiang-Hua Lin, Ping-Mao Lee, Kuang-Yao Liao, CHIH-CHUNG WENG | 2017-01-03 |
| 9489784 | Intelligent entrance guard unlocking system and unlocking method thereof | Wen-Kuei Chou, Chia-Wei Chang, CHIH-CHUNG WENG, Kuang-Yao Liao | 2016-11-08 |