Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5537240 | Brilliance control apparatus of light source in an optical scanner | Yao-Wen Chang | 1996-07-16 |
| 5497272 | Lens switching device for multi-lens optical scanners | — | 1996-03-05 |
| 5494271 | Transmission system for a document feeder | Steven CHIU, Mark Chang | 1996-02-27 |
| 5469303 | Brightness compensation for a lamp shade in an optical scanner | Ting Shia, Fang-Merng Guo | 1995-11-21 |
| 5452120 | Lamp shade moving mechanism for transparency scannings | — | 1995-09-19 |