Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8817987 | Encryption communication apparatus and method for controlling transfer period of key resynchronization information | Taek Jun Nam, Taek kyu LEE | 2014-08-26 |
| 7710762 | Device for protecting SRAM data | Bong Soo Lee, Jong-Mok Son, Jong Ho Chae | 2010-05-04 |
| 6078679 | Manufacturing method and reading device of individual information protecting card by multiple image frequency transformation | Kwang Hoon Cha, Chung Sang Ryu | 2000-06-20 |