Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11144196 | Operating visual user interface controls with ink commands | David W. Duhon, Yibo Sun, Xiao Tu | 2021-10-12 |
| 11107466 | Digital assistant voice input integration | Derek Liddell, Cheng-Yi Yen | 2021-08-31 |
| 10956663 | Controlling digital input | Xiao Tu, David W. Duhon, Silvano Bonacina, David Abzarian | 2021-03-23 |