Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6285483 | Optical scanner | Yao-Wen Chang | 2001-09-04 |
| 5469303 | Brightness compensation for a lamp shade in an optical scanner | Jeffrey Wun, Fang-Merng Guo | 1995-11-21 |
| 5421649 | Drawing means of movable base board for optical scanner | — | 1995-06-06 |