Issued Patents 2019
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10523223 | Phase-locked loop circuit calibration method, memory storage device and connection interface circuit | Wei-Yung Chen | 2019-12-31 |
| 10435830 | Buttonhole sewing guiding device of a sewing machine | — | 2019-10-08 |