Inventor · disambiguated record
Ewa Ptak
Also filed as: PTAK EWA · PTAK EWA DOMINIKA
2 granted patents·1 pending application·0 citations·filing 2018–2021
20Inventor score
Files withMERCK PATENT GMBH3
Top patents by PatentIndex Score
3 records- 0147US11760931B2Liquid-crystalline medium for use in a switching elementMERCK PATENT GMBH·Filed 2018·Granted Sep 19, 2023·0 cites·18 claims
- 0245US11939512B2Dichroic dye compositionMERCK PATENT GMBH·Filed 2019·Granted Mar 26, 2024·0 cites·21 claims
- 0342US2024134218A1Device for the regulation of light transmissionMERCK PATENT GMBH·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →