Inventor
RENNER PATRICK
DE6 patents
⚠️ This page may combine multiple inventors who share the name “RENNER PATRICK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOFFMULLER WINFRIED
3 patentsUS8685488B2Apr 1, 2014
Method for producing a microstructure
HOFFMULLER WINFRIED9 citations82
US9248689B2Feb 2, 2016
Method for the production of security elements having registered layers of designs
HOFFMULLER WINFRIED3 citations71
US9238383B2Jan 19, 2016
Method for the production of security elements having mutually registered designs
HOFFMULLER WINFRIED0 citations39
GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH
2 patentsUS11034182B2Jun 15, 2021
Disc-shaped pigment, printing ink, security element and method of production
GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH0 citations60
US11702548B2Jul 18, 2023
Method for producing pigment fragments with a predefined internal and/or external contour, and pigment fragments
GIESECKE & DEVRIENT CURRENCY TECHNOLOGY GMBH0 citations59