Issued Patents 2021
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11152874 | Multi-spoke-type ultrasonic motor | Ying Yang, Piotr Vasiljev, Dalius Mazeika, Sergejus Borodinas, Jianmin Qiu | 2021-10-19 |
| 11083566 | Ophthalmic lens having an extended depth of focus | ZORAN MILANOVIC, Xin Wei | 2021-08-10 |
| 11000361 | Multifocal ophthalmic lens having chromatic aberration correction | Xin Wei | 2021-05-11 |
| 11000365 | Multifocal diffractive ophthalmic lens using suppressed diffractive order | Myoung-Taek Choi, Yueai Liu | 2021-05-11 |
| 11000366 | Multifocal diffractive ophthalmic lens | Myoung-Taek Choi, Yueai Liu | 2021-05-11 |
| 10993798 | Multifocal lens having reduced chromatic aberrations | Myoung-Taek Choi, Yueai Liu | 2021-05-04 |