Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113500 | Duplex automatic document feeder and duplex document scanning method using the same | Chen-Tsai Tsai, Hsuan-Yang Lin | 2012-02-14 |
| 7802786 | Duplex automatic document feeder and duplex document scanning method using the same | Chen-Tsai Tsai, Hsuan-Yang Lin | 2010-09-28 |
| 7578504 | Duplex automatic document feeder | Chen-Tsai Tsai, Hsuan-Yang Lin | 2009-08-25 |
| 7573619 | Paper feeding mechanism | Chen-Tsai Tsai, Hsuan-Yang Lin, Chang-Lung Yu | 2009-08-11 |