Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10803260 | QR code graphic manufacturing device and manufacturing method of the same | Chun-Shien Lu, 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 | Chun-Shien Lu, Pei-Chun Kuan, Chia-Tsen Sun, Yu-Mei Wang, Jong-Kai Lee | 2020-04-14 |
| 9508331 | Compositional method, compositional program product and compositional system | — | 2016-11-29 |
| 9124819 | Watermark and manufacturing method therefor | Ya-Wen Cheng | 2015-09-01 |
| 7554699 | Method of watermark with hybrid halftone dots | Pei-Chi Hsiao, Chi-Ming Lien | 2009-06-30 |