JK

Josef P. Keizer

U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Stadskanaal, NL: #17 of 31 inventorsTop 55%
Overall (All Time): #3,723,259 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5661091 Method of manufacturing a semiconductor device having PN junctions separated by depressions Geert J. Duinkerken, Jozeph P. K. Hoefsmit 1997-08-26