Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11204854 | Systems and methods for determining user engagement with electronic devices | Osnat Benari, Ruiheng Wang, Sasinda Rukshan Premarathna, Cheng Li, Bhagyasri Canumalla +2 more | 2021-12-21 |
| 11095386 | Add/drop filter and optical add/drop multiplexer | Andrea Melloni, Francesco Morichetti, Ruiqiang Ji, Douglas Aguiar, Maziyar MILANIZADEH +3 more | 2021-08-17 |
| 10924200 | Reconfigurable optical add/drop multiplexer | Ruiqiang Ji, Shengmeng Fu, Lewei Zhang, Li Zeng | 2021-02-16 |