Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11439536 | Optical filter on contact lens surface | Dayan Ban, Rongping Dai, Heechul Lee | 2022-09-13 |
| 9870515 | Identification system and method | — | 2018-01-16 |
| 9546968 | Meat assessment device | — | 2017-01-17 |