Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11048360 | Touch display device, touch circuit, pen, touch system, and multi-pen sensing method | Hyunguk Jang, SeungSeok OH, SangHyuck Bae, Sungsu Han, Doyoung Jung | 2021-06-29 |
| 11029790 | Touch display device, pen, touch system, touch circuit, and pen recognition method | Hyunguk Jang, SangHyuck Bae, Doyoung Jung, SeungSeok OH, Sungsu Han | 2021-06-08 |
| 10955964 | Active pen and touchscreen display device | Doyoung Jung, Hyunguk Jang, SangHyuck Bae, Sungsu Han, Jongsung Kim | 2021-03-23 |