Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11281313 | Mobile device comprising stylus pen and operation method therefor | Guoliang Zhang, Rui Zhang | 2022-03-22 |
| 10509492 | Mobile device comprising stylus pen and operation method therefor | Guoliang Zhang, Rui Zhang | 2019-12-17 |