Inventor · disambiguated record
Johann Kecht
Also filed as: KECHT JOHANN
29 granted patents·2 pending applications·39 citations·filing 2010–2022
94Inventor score
Top patents by PatentIndex Score
31 records- 0194US10417856B2Device and method for verifying feature substancesGIESECKE & DEVRIENT GMBH·Filed 2015·Granted Sep 17, 2019·6 cites·18 claims
- 0291US9327542B2Value document, method for checking the presence of same and value document systemGIESECKE & DEVRIENT GMBH·Filed 2013·Granted May 3, 2016·9 cites·9 claims
- 0385US12194772B2Valuable document systemGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2019·Granted Jan 14, 2025·2 cites·18 claims
- 0483US10013835B2Security feature and use thereof, value document and process for verifying the authenticity thereofGIESECKE & DEVRIENT GMBH·Filed 2015·Granted Jul 3, 2018·2 cites·25 claims
- 0583US9776450B2Method for checking a value document, value document, use thereof, and value document systemGIESECKE & DEVRIENT GMBH·Filed 2013·Granted Oct 3, 2017·4 cites·6 claims
- 0683US8871299B2Solid particles having a silicate coatingKECHT JOHANN·Filed 2010·Granted Oct 28, 2014·4 cites·14 claims
- 0780US11148447B2Intaglio printing ink, printing process and printed articleGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2018·Granted Oct 19, 2021·1 cites·17 claims
- 0880US10988629B2Core-shell particle-based security pigment and method for production thereofGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2016·Granted Apr 27, 2021·1 cites·20 claims
- 0976US9409434B2Security featureKECHT JOHANN·Filed 2010·Granted Aug 9, 2016·4 cites·15 claims
- 1073US9542788B2Value document and method for checking the presence of the sameGIESECKE & DEVRIENT GMBH·Filed 2014·Granted Jan 10, 2017·2 cites·14 claims
- 1172US9540771B2Security feature having several componentsGIESECKE & DEVRIENT GMBH·Filed 2012·Granted Jan 10, 2017·1 cites·18 claims
- 1271US9908360B2Security feature and method for producing a security featureKECHT JOHANN·Filed 2010·Granted Mar 6, 2018·1 cites·18 claims
- 1368US9540772B2Value document and method for checking the presence of the sameGIESECKE & DEVRIENT GMBH·Filed 2014·Granted Jan 10, 2017·1 cites·14 claims
- 1467US10657750B2Device and method for verifying feature substancesGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2019·Granted May 19, 2020·0 cites·19 claims
- 1566US9453162B2Alkali metal and alkaline earth metal niobates and tantalates as security feature substancesKECHT JOHANN·Filed 2011·Granted Sep 27, 2016·1 cites·13 claims
- 1659US10479123B1Security feature and document of valueGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2017·Granted Nov 19, 2019·0 cites·19 claims
- 1758US10040995B2Alkali metal and alkaline earth metal niobates and tantalates as security feature substancesGIESECKE & DEVRIENT GMBH·Filed 2016·Granted Aug 7, 2018·0 cites·6 claims
- 1857US11148457B2Value document having security marking with varying decay time and method for identifying the security markingGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2018·Granted Oct 19, 2021·0 cites·21 claims
- 1956US10576773B2Security element, method for producing the same and value documentGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2017·Granted Mar 3, 2020·0 cites·19 claims
- 2055US12403717B2Method for producing a data carrier having a luminescent security element, and data carrierGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2022·Granted Sep 2, 2025·0 cites·21 claims
- 2153US10953684B2Pigment system, luminescent dye system, and value documentGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2016·Granted Mar 23, 2021·0 cites·23 claims
- 2253US10144242B2Method for checking a value document, value document, use thereof, and value document systemGIESECKE & DEVRIENT GMBH·Filed 2013·Granted Dec 4, 2018·0 cites·3 claims
- 2351US10870307B2Security pigment based on core-shell particles, and production methodGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2016·Granted Dec 22, 2020·0 cites·24 claims
- 2451US9469145B2Security feature having several componentsGIESECKE & DEVRIENT GMBH·Filed 2012·Granted Oct 18, 2016·0 cites·16 claims
- 2551US9447544B2Security feature having several componentsGIESECKE & DEVRIENT GMBH·Filed 2012·Granted Sep 20, 2016·0 cites·16 claims
- 2651US2021213771A1Security elementGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2019·Application pending·0 cites
- 2750US9581540B2Spectral luminescence standard for the near infrared regionGIESECKE & DEVRIENT GMBH·Filed 2012·Granted Feb 28, 2017·0 cites·18 claims
- 2848US10995231B2Security pigment, luminescent polymer resin and method for producing sameGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2016·Granted May 4, 2021·0 cites·19 claims
- 2945US10821766B2Core-shell particle-based security pigment, and production methodGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2016·Granted Nov 3, 2020·0 cites·6 claims
- 3042US10981406B2Security featureKECHT JOHANN·Filed 2011·Granted Apr 20, 2021·0 cites·22 claims
- 3141US2018163067A1Ink composition, use of same, and printed productGIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH·Filed 2016·Application pending·0 cites
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