Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6844516 | Wire cut electric discharge machine with rollers | Chia-Lung Kuo, Zhi-Kai Xu, June-Chin Wang | 2005-01-18 |
| 6809284 | Wire cut electric discharge machine | Chia-Lung Kuo, Zhi-Kai Xu, Ching-Yi Wu | 2004-10-26 |