Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11144196 | Operating visual user interface controls with ink commands | David W. Duhon, Yibo Sun, Francis Zhou | 2021-10-12 |
| 11023661 | Visually enhanced digital ink | Yibo Sun, Sheng Yi | 2021-06-01 |
| 10956663 | Controlling digital input | Francis Zhou, David W. Duhon, Silvano Bonacina, David Abzarian | 2021-03-23 |
| 10942646 | Adaptive ink prediction | Patrick Jee-An Poon, Jianfeng Lin | 2021-03-09 |
| 10930045 | Digital ink based visual components | Robert C. Houser, Pavel Yurevich, Peter Hammerquist, David Abzarian, Silvano Bonacina | 2021-02-23 |