Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11196557 | Token device for conducting cryptography key backup or restoration operation | Jia-Hong Chen | 2021-12-07 |
| 8832448 | Dual-channel electronic signature system using image codes and related computer program product | Jiann Dong Wu, Tai-Hung Lin, Jia-Hong Chen, Yan Shen, Tsung-Yu Chang | 2014-09-09 |
| 8392703 | Electronic signature verification method implemented by secret key infrastructure | Tai-Hung Lin | 2013-03-05 |