Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5561649 | Disk recording medium and reproduction method and apparatus thereof | Rae-hwan Lee, Kwang-Sik Choi, Hong-Soon Park, Sang-hwa Yun, Kwang-lyeol Song +5 more | 1996-10-01 |
| 5546368 | Disk recording medium and reproduction method and apparatus thereof | Rae-hwan Lee, Kwang-Sik Choi, Hong-Soon Park, Sang-hwa Yun, Kwang-lyeol Song +5 more | 1996-08-13 |