Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11000365 | Multifocal diffractive ophthalmic lens using suppressed diffractive order | Myoung-Taek Choi, Xin Hong | 2021-05-11 |
| 11000366 | Multifocal diffractive ophthalmic lens | Myoung-Taek Choi, Xin Hong | 2021-05-11 |
| 10993798 | Multifocal lens having reduced chromatic aberrations | Myoung-Taek Choi, Xin Hong | 2021-05-04 |