Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8113500 | Duplex automatic document feeder and duplex document scanning method using the same | Chen-Tsai Tsai, Keng-Wei Shih | 2012-02-14 |
| 7826104 | Handheld recording apparatus | Chen-Tsai Tsai, Chung-Lung Yu | 2010-11-02 |
| 7802786 | Duplex automatic document feeder and duplex document scanning method using the same | Chen-Tsai Tsai, Keng-Wei Shih | 2010-09-28 |
| 7578504 | Duplex automatic document feeder | Chen-Tsai Tsai, Keng-Wei Shih | 2009-08-25 |
| 7573619 | Paper feeding mechanism | Chen-Tsai Tsai, Keng-Wei Shih, Chang-Lung Yu | 2009-08-11 |
| 7566052 | Automatic document feeder and electric equipment having the same | Tien-Ho Hsu, Chung-Lung Yu, Yu-Jen Tsao | 2009-07-28 |