Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11513268 | Method of manufacturing a variable efficiency diffractive grating and a diffractive grating | Ismo Vartiainen | 2022-11-29 |
| 11448876 | Method of manufacturing a height-modulated optical diffractive grating | Ismo Vartiainen, Mikhail Erdmanis | 2022-09-20 |
| 11391870 | Height-modulated diffractive master plate and method of manufacturing thereof | Ismo Vartiainen | 2022-07-19 |