Issued Patents All Time
Showing 1–25 of 75 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE43087 | Image scanner using low-pixel-density CCD to achieve high-pixel-density scanning quality by pixel-level shift of CCD | Jone-Nun Chen, I-Chang Lu | 2012-01-10 |
| RE42823 | Slide securing device for flatbed scanning sysem | Chieng-Ming Tsaur | 2011-10-11 |
| RE41567 | Method for optimizing the best resolution of an optical scanning system and apparatus for the same | June-Num Chen | 2010-08-24 |
| RE41038 | Securing device for transparent documents in a flatbed scanning system | Chieng-Ming Tsaur, Bill Chen | 2009-12-15 |
| RE40974 | Apparatus for scanning documents in front of a document plate | Albert Lu, Emmet Chen | 2009-11-17 |
| 6879412 | Method for optimizing the best resolution of an optical scanning system and apparatus for the same | June-Num Chen | 2005-04-12 |
| 6809842 | Apparatus for scanning document | Jone-Nun Chen, I-Chang Lu | 2004-10-26 |
| 6728011 | Method of adjusting scanner module and device thereof | — | 2004-04-27 |
| 6721072 | Apparatus for scanning documents in front of a document plate | Albert Lu, Emmet Chen | 2004-04-13 |
| 6707583 | Image scanner using low-pixel-density CCD to achieve high-pixel-density scanning quality by pixel-level shift of CCD | Jone-Nun Chen, I-Chang Lu | 2004-03-16 |
| 6678075 | Slide securing device for flatbed scanning system | Chieng-Ming Tsaur | 2004-01-13 |
| 6637897 | Securing device for transparent documents in a flatbed scanning system | Chieng-Ming Tsaur, Bill Chen | 2003-10-28 |
| 6611292 | Focus controlling method and system for an image capturing system | Te-Chih Chang | 2003-08-26 |
| 6603514 | Focus controlling method and system by evaluating a resolution index | Te-Chih Chang | 2003-08-05 |
| 6597441 | Apparatus and method for calibrating reflective lens | Chieng-Ming Tsaur | 2003-07-22 |
| 6557762 | Method for increasing depth of scanning field of a scanning device | Albert Lu | 2003-05-06 |
| 6529292 | Apparatus and method for locating an optical module of an image-scanning system | — | 2003-03-04 |
| 6516101 | Image scanning device having image data correction function | — | 2003-02-04 |
| 6486978 | Image-scanning module for downsizing image-scanning devices | — | 2002-11-26 |
| 6456327 | Multi-lenses optical device | — | 2002-09-24 |
| 6450475 | Platform adjustment device for scanner | I-Chang Lu, Jone-Nun Chen | 2002-09-17 |
| 6392762 | Device for quick and precise determination of scan start point for image scanner | Bill Chen | 2002-05-21 |
| 6381043 | Device used in image scanner for quickly and precisely determining scan start point and improving scanning quality | Bill Chen | 2002-04-30 |
| 6377362 | Method and apparatus for obtaining magnification error for image scanning apparatus | Bill Chen | 2002-04-23 |
| 6376835 | Scanner module with adjustable magnification ratio | — | 2002-04-23 |