GK

Gerardus De Keyzer

Basf Se: 15 patents #1,034 of 13,826Top 8%
CC Ciba Specialty Chemicals: 14 patents #69 of 1,233Top 6%
U.S. Philips: 3 patents #1,741 of 8,851Top 20%
Eastman Kodak: 1 patents #4,972 of 8,114Top 65%
📍 Riehen, CH: #6 of 314 inventorsTop 2%
Overall (All Time): #111,942 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
6444807 Substituted phthalocyanine Annemarie Wolleb, Heinz Wolleb, Barbara Wagner 2002-09-03
6423839 Mixed color pigment precursors and their use Veronique Hall-Goulle 2002-07-23
6165681 Black-pigmented structured high molecular weight material Veronique Hall-Goulle 2000-12-26
6010567 Black-pigmented structured high molecular weight material Ulrich Schadeli, Eric Tinguely, Veronique Hall-Goulle 2000-01-04
5231524 Method of manufacturing a top coat Antonius Raaijmakers, Petrus E. M. Baltussen, Henricus G. J. A. M. Luijben 1993-07-27
5157527 Device comprising a color filter and top coat Antonius Raaijmakers, Petrus E. M. Baltussen, Henricus G. J. A. M. Luijben 1992-10-20
5079214 Patterned receiver for color filter array Michael Long, Adriaan W. de Bruijn, Pedro F. Henriette, Antonius Raaijmakers, David L. VanGalio 1992-01-07