Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10803260 | QR code graphic manufacturing device and manufacturing method of the same | Hsi-Chun Wang, Jia-Chi Ho, Shan-Hua Yeh, Yu-Mei Wang, Chia-Tsen Sun +1 more | 2020-10-13 |
| 10621482 | Graphic two-dimensional barcode and creating method thereof | Hsi-Chun Wang, Pei-Chun Kuan, Chia-Tsen Sun, Yu-Mei Wang, Jong-Kai Lee | 2020-04-14 |
| 6788801 | Cocktail watermarking on images | Hong-Yuan Mark Liao | 2004-09-07 |
| 6654479 | Cocktail watermarking on images | Hong-Yuan Mark Liao | 2003-11-25 |