Issued Patents 2025
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12416999 | Replaceable conductive marker tip | Espen Lie, Anna Karoline Øren Lillerud, Lars Artun, Vegard Bakke Svendsen, XIAN-DONG GUO +2 more | 2025-09-16 |
| 12411561 | Marker protection system | XIAN-DONG GUO, Peng Shuai, Wen Bin Zhou, Liang Xiong | 2025-09-09 |
| 12299218 | Active pen-stylus precise eraser | Torje Asdahl, Anna Karoline Øren Lillerud, Espen Lie | 2025-05-13 |