Inventor · disambiguated record
Hendrik Derks
Also filed as: DERKS HENDRIK
4 granted patents·16 citations·filing 2003–2017
67Inventor score
Top patents by PatentIndex Score
4 records- 0183US10573113B2Device and method for checking value documents for marking inkGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2017·Granted Feb 25, 2020·2 cites·11 claims
- 0270US7607528B2Method and device for checking banknotesGIESECKE & DEVRIENT GMBH·Filed 2003·Granted Oct 27, 2009·13 cites·16 claims
- 0357US7829869B2Method and apparatus for checking documents of valueGIESECKE & DEVRIENT GMBH·Filed 2008·Granted Nov 9, 2010·1 cites·13 claims
- 0439US10017341B2Device for processing sheet materialGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2016·Granted Jul 10, 2018·0 cites·10 claims
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