Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9961809 | Heat radiation sheet and method for manufacturing of the same | Sung Chul Yoon, Cheol Heung Ahn, Dong Hyun Kim, Hak Soo Kim, Su-Han Woo +2 more | 2018-05-01 |
| 5936786 | Method and apparatus for preventing overwriting of data by identifying unrecorded portions of a recording medium and recording information thereon | — | 1999-08-10 |