Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12379789 | Smart pen and display device using the same | Chang-Min Park, Kyu Shik Shin, Jin Yong Sim | 2025-08-05 |
| 12373043 | Optical pen | Jin Yong Sim, Chang-Min Park, Kyu Shik Shin | 2025-07-29 |