Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9066027 | Picture delivering system based on visual cryptography and related computer program product | Tai-Hung Lin, Jia-Hong Chen | 2015-06-23 |
| 8832448 | Dual-channel electronic signature system using image codes and related computer program product | Tai-Hung Lin, Jia-Hong Chen, Po-Yueh Hung, Yan Shen, Tsung-Yu Chang | 2014-09-09 |
| 8756425 | Data security authentication system and related multi-function memory card and computer program product | — | 2014-06-17 |