Mikhail ERDMANIS

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Espoo, FI

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing a height-modulated optical diffractive grating
- Patent number 11,448,876
- Issue date Sep 20, 2022
- DISPELIX OY
- Ismo Vartiainen
- G02 - OPTICS
Information Patent Grant
Waveguide display element with reflector surface
- Patent number 11,067,812
- Issue date Jul 20, 2021
- DISPELIX OY
- Kasimir Blomstedt
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
MANUFACTURING METHOD OF MASTER TEMPLATE AND STAMP OF GRATING OF DIF...
- Publication number 20240051190
- Publication date Feb 15, 2024
- Dispelix Oy
- Ismo Vartiainen
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
MANUFACTURING METHOD OF OPTICAL ELEMENT, OPTICAL ELEMENT AND APPARA...
- Publication number 20230266519
- Publication date Aug 24, 2023
- Dispelix Oy
- Mikhail Erdmanis
- G02 - OPTICS
Information Patent Application
Method of manufacturing a height-modulated optical diffractive grating
- Publication number 20210157134
- Publication date May 27, 2021
- Dispelix Oy
- Ismo Vartiainen
- G02 - OPTICS
Information Patent Application
Method of manufacturing a master plate and a master plate
- Publication number 20210157042
- Publication date May 27, 2021
- Dispelix Oy
- Jussi Rahomäki
- G02 - OPTICS
Information Patent Application
WAVEGUIDE DISPLAY ELEMENT WITH REFLECTOR SURFACE
- Publication number 20210055562
- Publication date Feb 25, 2021
- Dispelix Oy
- Kasimir BLOMSTEDT
- G02 - OPTICS