Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12287374 | Method for estimating direct current internal resistance of battery | Shih-Fa Hung, Chong Wu | 2025-04-29 |
| 10883212 | Position indicating circuit for a foot controller of a sewing machine, and detecting system using the same | Chia-Hui Yu | 2021-01-05 |
| 9619743 | RFID device and method for making the same | Tian lin Yan, Cheng-Hung Chang, Way Yu Chen | 2017-04-11 |
| 5991885 | Method and apparatus for detecting the presence of a remote device and providing power thereto | Fang Yu | 1999-11-23 |