JH

Jozeph P. K. Hoefsmit

U.S. Philips: 2 patents #2,537 of 8,851Top 30%
📍 Stadskanaal, NL: #7 of 31 inventorsTop 25%
Overall (All Time): #2,211,389 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6358774 Method of manufacturing a semiconductor device Alfred J. Van Roosmalen, Klaastinus H. Sanders, Johan Bernard Kuperus 2002-03-19
5661091 Method of manufacturing a semiconductor device having PN junctions separated by depressions Geert J. Duinkerken, Josef P. Keizer 1997-08-26