Inventor
HENNIG EBERHARD
DE13 patents
⚠️ This page may combine multiple inventors who share the name “HENNIG EBERHARD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HELL RUDOLF DR ING GMBH
5 patentsUS4583116AApr 15, 1986
Method and apparatus for eliminating defects in images in polychromatic printing due to faulty registration of superimposed printing of color separations
HELL RUDOLF DR ING GMBH63 citations95
US4393399AJul 12, 1983
Method and apparatus for partial electronic retouching of colors
HELL RUDOLF DR ING GMBH44 citations91
US4516155AMay 7, 1985
Method for partially smoothing retouch in electronic color reproduction
HELL RUDOLF DR ING GMBH19 citations73
US4616266AOct 7, 1986
Method and apparatus for electrically controllable scanning device for moire-free scanning of rastered masters
HELL RUDOLF DR ING GMBH8 citations72
US4536803AAug 20, 1985
Method and apparatus for intensifying contrast in printing formats
HELL RUDOLF DR ING GMBH17 citations72
PI CERAM GMBH
4 patentsUS9748468B2Aug 29, 2017
Actuator device
PI CERAM GMBH2 citations68
US11618717B2Apr 4, 2023
Lead-free piezoceramic material based on bismuth sodium titanate (BST)
PI CERAM GMBH0 citations55
US10910550B2Feb 2, 2021
Piezoceramic material with reduced lead content
PI CERAM GMBH0 citations55
US10770508B2Sep 8, 2020
Actuator device
PI CERAM GMBH0 citations31