Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8125590 | Optical film, backlight unit including the same and liquid crystal display device having the same | Yongsu Kim, Seungho Lee, Changjong Kim, Seungwook Kwon, Kabjin Hwang | 2012-02-28 |
| 7719636 | Optical sheet and liquid crystal display using the same | Changjong Kim, Kabjin Hwang, Seoungho Lee, Seungwook Kown, Yongsu Kim +1 more | 2010-05-18 |
| 7511115 | Method of preparing biodegradable polyester polymer material in the form of filament and sheet using compressed gas | Soo Hyun Kim, Sang-Heon Kim, Se-Yoon Kim, Hang Soo Lee | 2009-03-31 |