Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8281128 | Method and apparatus for encrypting transport stream of multimedia content, and method and apparatus for decrypting transport stream of multimedia content | Choong Hoon Lee, Jun-bum Shin, So-Young Lee | 2012-10-02 |
| 6759025 | Method of synthesizing carbon nanotubes and apparatus used for the same | Kun-Hong Lee, Chang-Mo Ryu, Jong-Hoon Han, Jae-eun Yoo | 2004-07-06 |