Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10725620 | Generating interactive menu for contents search based on user inputs | Du-Seong Chang, Hyung-Keun Koo, Sang Hee Kim, Joo-Won Sung | 2020-07-28 |
| 9733795 | Generating interactive menu for contents search based on user inputs | Du-Seong Chang, Hyung-Keun Koo, Sang Hee Kim, Joo-Won Sung | 2017-08-15 |
| 8988962 | Refresh circuit of a semiconductor memory device and refresh control method of the semiconductor memory device | Sang Ho Shin, Jung-Bae Lee | 2015-03-24 |