Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6295143 | Apparatus and method of detecting a scanning range when applying assistant frames for flatbed scanners | Jenn-Tsair Tsai, Flyinga Liao | 2001-09-25 |
| 6282331 | Apparatus of alignment for scanner and a method of the same | Jenn-Tsair Tsai, Hsi-Min Chen | 2001-08-28 |
| 6178015 | Apparatus and method for increasing the scan accuracy and quality of the flatbed scanner by using close loop control | Jenn-Tsair Tsai | 2001-01-23 |
| 6163388 | Apparatus and method for automatic scanning | Jenn-Tsair Tsai | 2000-12-19 |
| 5874846 | Method and apparatus for frequency generation in a synchronous system | — | 1999-02-23 |
| 5243515 | Secure teleprocessing bidding system | — | 1993-09-07 |
| 4731655 | Protection circuit for improper line voltage | Shin T. Tzuo | 1988-03-15 |
| 4631591 | Kinescope with compensated conduction characteristic | — | 1986-12-23 |