Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11720759 | Electronic apparatus, controlling method of thereof and non-transitory computer readable recording medium | Chang Hwan Choi, Ji-hwan Yun | 2023-08-08 |
| 11249871 | Device and method for providing response to device usage inquiry | Seo-young Jo, Chang Hwan Choi | 2022-02-15 |
| 11068667 | Electronic apparatus, controlling method of thereof and non-transitory computer readable recording medium | Chang Hwan Choi, Ji-hwan Yun | 2021-07-20 |