Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8344995 | Portable electronic device and illumination controlling method thereof | Hong Ju Kim, Sang Wook Lee | 2013-01-01 |
| 7737958 | Touch screen device and method of displaying and selecting menus thereof | Sang Hyun Shin, Ho Joo Park, Yu Mi Kim | 2010-06-15 |