Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9516984 | Positioning system of sweeper and positioning method of the positioning system | Yu Ta Lin, Chuan-Wang Chang | 2016-12-13 |
| 8050046 | Electrostatic discharge protection structure | Chuan-Wang Chang | 2011-11-01 |