JK

Johann Kecht

GG Giesecke+Devrient Currency Technology Gmbh: 18 patents #2 of 175Top 2%
GG Giesecke & Devrient Gmbh: 11 patents #29 of 507Top 6%
Overall (All Time): #126,547 of 4,157,543Top 4%
29
Patents All Time

Issued Patents All Time

Showing 1–25 of 29 patents

Patent #TitleCo-InventorsDate
12403717 Method for producing a data carrier having a luminescent security element, and data carrier Thomas Giering, Thomas Happ, Stephan Steinlein, Kai Uwe Stock, Sina SCHOLZ-RIECKE 2025-09-02
12194772 Valuable document system 2025-01-14
11148447 Intaglio printing ink, printing process and printed article Stephan Steinlein, Thomas Giering 2021-10-19
11148457 Value document having security marking with varying decay time and method for identifying the security marking 2021-10-19
10995231 Security pigment, luminescent polymer resin and method for producing same Axel Schlossbauer 2021-05-04
10988629 Core-shell particle-based security pigment and method for production thereof Axel Schlossbauer 2021-04-27
10981406 Security feature Kai Uwe Stock 2021-04-20
10953684 Pigment system, luminescent dye system, and value document Axel Schlossbauer, Thomas Giering 2021-03-23
10870307 Security pigment based on core-shell particles, and production method Axel Schlossbauer 2020-12-22
10821766 Core-shell particle-based security pigment, and production method Axel Schlossbauer 2020-11-03
10657750 Device and method for verifying feature substances Martin Clara, Thomas Giering, Wolfgang Rauscher, Martin Stark, Thomas Happ 2020-05-19
10576773 Security element, method for producing the same and value document Axel Schlossbauer, Stephan Steinlein 2020-03-03
10479123 Security feature and document of value 2019-11-19
10417856 Device and method for verifying feature substances Martin Clara, Thomas Giering, Wolfgang Rauscher, Martin Stark, Thomas Happ 2019-09-17
10144242 Method for checking a value document, value document, use thereof, and value document system Thomas Giering, Wolfgang Rauscher, Stephan Steinlein 2018-12-04
10040995 Alkali metal and alkaline earth metal niobates and tantalates as security feature substances Stephan Steinlein, Kai Uwe Stock 2018-08-07
10013835 Security feature and use thereof, value document and process for verifying the authenticity thereof Martin Stark 2018-07-03
9908360 Security feature and method for producing a security feature Stephan Steinlein 2018-03-06
9776450 Method for checking a value document, value document, use thereof, and value document system Thomas Giering, Wolfgang Rauscher, Stephan Steinlein 2017-10-03
9581540 Spectral luminescence standard for the near infrared region Kai Uwe Stock 2017-02-28
9540771 Security feature having several components Thomas Giering, Stephan Steinlein 2017-01-10
9542788 Value document and method for checking the presence of the same 2017-01-10
9540772 Value document and method for checking the presence of the same 2017-01-10
9469145 Security feature having several components Thomas Giering, Stephan Steinlein 2016-10-18
9453162 Alkali metal and alkaline earth metal niobates and tantalates as security feature substances Stephan Steinlein, Kai Uwe Stock 2016-09-27