Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11579758 | Apparatus and method for performing multi-tasking in portable terminal | Joo-Il SUNG | 2023-02-14 |
| 10719208 | Apparatus and method for performing multi-tasking in portable terminal | Joo-Il SUNG | 2020-07-21 |
| 9335835 | Method and apparatus for providing user interface | Yu Jin Lee, Han Jun Ku, Seung-Hwan Cho | 2016-05-10 |
| 9189269 | Apparatus and method for performing multi-tasking in portable terminal | Joo-Il SUNG | 2015-11-17 |
| 8972176 | Method for displaying marker in a map service | Joo-Il SUNG, Chan Su AHN, Young Il OH, Je-Sang Yoon | 2015-03-03 |