Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8370990 | Structural improvement for robotic cleaner | Shu-Jung Chang | 2013-02-12 |
| 8262273 | Integrated light guide plate having enhanced axial luminosity | Shao-Tang Zhang Jian | 2012-09-11 |