Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE41364 | Method for determining scan line misalignments | Yu-Fen Tsai | 2010-06-01 |
| 7522023 | Gyrator with feedback resistors | Fang Lin | 2009-04-21 |
| 7375863 | Image reading device activated by light interference | Hsi-Min Chen, Jung-Chou Lin | 2008-05-20 |
| 7031030 | Image reading device activated by light interference | Hsi-Min Chen, Jung-Chou Lin | 2006-04-18 |
| 6972617 | FM demodulator including a DC offset detector | Hui-Chun Hsieh | 2005-12-06 |
| 6914167 | Vent recovery system | John C. Jubin, Jr. | 2005-07-05 |
| 6842269 | Image reading device by interfering light path to trigger scanning processes | Hsi-Min Chen, Dai-Li Chang | 2005-01-11 |
| 6734998 | Method for determining scan line misalignments | Yu-Fen Tsai | 2004-05-11 |
| 6611292 | Focus controlling method and system for an image capturing system | Jenn-Tsair Tsai | 2003-08-26 |
| 6603514 | Focus controlling method and system by evaluating a resolution index | Jenn-Tsair Tsai | 2003-08-05 |
| 6414461 | Scanner that controls stepping motor torque | — | 2002-07-02 |
| 6339482 | Control method for positioning multiple lens of scanner | Jenn-Tsair Tsai | 2002-01-15 |
| 6287203 | Method and structure for coupling a step motor shaft | Bill Chen, Emmet Chen | 2001-09-11 |
| 6066750 | High efficiency epoxidation process | — | 2000-05-23 |
| 5995231 | Method for calibrating a light traveling distance in a scanning module | Jern-Tsair Tsai, Bill Chen | 1999-11-30 |
| 5969845 | Device and method for determining resolution of a multiple resolution scanner | Jeun-Tsair Tsai | 1999-10-19 |
| 5912367 | High efficiency epoxidation process | — | 1999-06-15 |
| 5762764 | Purification of acetone | Vijai P. Gupta | 1998-06-09 |
| 5126505 | KA oil recovery | — | 1992-06-30 |