Inventor
WILLSAU JOHANNES
DE12 patents
⚠️ This page may combine multiple inventors who share the name “WILLSAU JOHANNES”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
AGFA GEVAERT AG
9 patentsUS5683863ANov 4, 1997
Photographic silver halide material
AGFA GEVAERT AG9 citations73
US5679504AOct 21, 1997
Color photographic silver halide material
AGFA GEVAERT AG3 citations62
US5441857AAug 15, 1995
Color photographic recording material
AGFA GEVAERT AG5 citations62
US5856076AJan 5, 1999
Color photographic recording material having elevated sensitivity and improved color reproduction
AGFA GEVAERT AG2 citations61
US5622817AApr 22, 1997
Color photographic recording material
AGFA GEVAERT AG2 citations61
US5908741AJun 1, 1999
Photographic silver halide material
AGFA GEVAERT AG0 citations51
US5853971ADec 29, 1998
Color photographic silver halide material
AGFA GEVAERT AG1 citations51
US5599657AFeb 4, 1997
Color photographic silver halide material
AGFA GEVAERT AG1 citations50
US5922524AJul 13, 1999
Colour photographic recording material
AGFA GEVAERT AG0 citations41