Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8783579 | RFID sealing device for bottle | Li-Chi Chang, Yung-Chung Chang, Chang-Chih Liu, Cheng-Hua Tsai | 2014-07-22 |
| 8686821 | Inductor structure | Yung-Chung Chang, Chang-Chih Liu, Li-Chi Chang, Cheng-Hua Tsai | 2014-04-01 |
| 8610626 | Antenna with slot | Li-Chi Chang, Yung-Chung Chang, Chang-Chih Liu, Chang-Sheng Chen | 2013-12-17 |
| 8319610 | Radio-frequency identification (RFID) antenna, tags and communications systems using the same | Li-Chi Chang, Kuo-Chiang Chin, Chang-Sheng Chen, Cheng-Hua Tsai, Wei-Ting Chen | 2012-11-27 |