Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8860799 | Alignment system and method for operating the same | Yung-Cheng Chang, E Min Chou | 2014-10-14 |
| 8847161 | Apparatus and methods for controlling a laser output and improving laser safety using a proximity sensor | Yung-Cheng Chang, E Min Chou | 2014-09-30 |