Inventor · disambiguated record
Ulf Ehrhardt
Also filed as: EHRHARDT ULF
2 granted patents·0 citations·filing 2019–2020
21Inventor score
Technology areasG07D
Top patents by PatentIndex Score
2 records- 0148US11756362B2Method and sensor for testing documentsGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2019·Granted Sep 12, 2023·0 cites·16 claims
- 0239US12101857B2Light source driver circuit, optical measuring device comprising the light source driver circuit, device for checking value documents, and method for operating a light source load by means of the light source driver circuitGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2020·Granted Sep 24, 2024·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →