Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11144196 | Operating visual user interface controls with ink commands | Yibo Sun, Xiao Tu, Francis Zhou | 2021-10-12 |
| 10956663 | Controlling digital input | Francis Zhou, Xiao Tu, Silvano Bonacina, David Abzarian | 2021-03-23 |