Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6084965 | Identification scheme, digital signature scheme giving message recovery and digital signature scheme with appendix | Keum Hyug Ahn, Yun Ho Lee, Chung Ryong Jang | 2000-07-04 |
| 5966445 | Identification scheme single or multi-digital signature scheme giving message recovery single or multi-digital signature scheme with appendix key exchange scheme and blind digital signature scheme | Chung Ryong Jang | 1999-10-12 |
| 5719940 | Method for providing information security by exchanging authentication and signing an electronic signature and apparatus therefor | Keum Hyug Ahn, Chung Ryong Jang | 1998-02-17 |