Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8046034 | Sliding-type portable terminal | Bum-Lai Cho, Sang-Woon Nahm, Ryun-Tae Kim | 2011-10-25 |
| 7507000 | Illumination sensing device for portable terminal | Bum-Lai Cho | 2009-03-24 |
| 7440782 | Hinge device for a display for rotation type mobile phone | — | 2008-10-21 |