Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8029681 | Master recording medium for magnetically transferring servo pattern to the magnetic recording medium and method of manufacturing the same | Kyoung-won Na, Sang Chul Sul, Myung-bok Lee, Hae-sung Kim, Jin-seung Sohn | 2011-10-04 |
| 8003163 | Magnetic recording medium and method of manufacturing the same | Seong-yong Yoon, Jin-seung Sohn, Byung-kyu Lee | 2011-08-23 |