Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9902198 | Free wheel mechanism and moving apparatus having the same | Shu-Hao Chiang | 2018-02-27 |
| 9064142 | High-speed fingerprint feature identification system and method thereof according to triangle classifications | Ho-Ling Hsu | 2015-06-23 |
| 7197159 | Amplitude shifted information embedding and detection method based upon the phase equalization | Guo-Zua Wu | 2007-03-27 |
| 7162646 | Disk anti-copy system, method and its device | Guo-Zua Wu, I-Yen Lin | 2007-01-09 |
| 6839845 | Control system for image input device, especially fingerprint image input device | Chap-Meng Bee | 2005-01-04 |
| 6724913 | Digital watermarking | Trista Pei-Chun Chen | 2004-04-20 |
| 6671387 | Watermarking of a digitized image | Trista Pei-Chun Chen | 2003-12-30 |
| D422619 | Glasses | — | 2000-04-11 |
| D421765 | Glasses | — | 2000-03-21 |
| D420377 | Glasses | — | 2000-02-08 |
| 5991430 | Method and device for automatic matching of planar point patterns | Shih-Hsu Chang | 1999-11-23 |
| 5982943 | Method for determining background or object pixel for digitizing image data | Jang-Daw Yang | 1999-11-09 |
| 5974176 | Automatic matching device for planar point patterns and method thereof | Shih-Hsu Chang | 1999-10-26 |
| 5392367 | Automatic planar point pattern matching device and the matching method thereof | Chen-Chieh Chien | 1995-02-21 |
| 5140642 | Method and device for allocating core points of finger prints | Jeng D. Yang | 1992-08-18 |