HM

Henricus G. R. Maas

U.S. Philips: 39 patents #10 of 8,851Top 1%
Overall (All Time): #83,593 of 4,157,543Top 3%
39
Patents All Time

Issued Patents All Time

Showing 26–39 of 39 patents

Patent #TitleCo-InventorsDate
4937202 Method of manufacturing field effect transistors having self-registering source and drain regions to minimize capacitances 1990-06-26
4907049 Charge-coupled semiconductor device having an improved electrode structure Jan W. Slotboom, Kazimierz Osinki, Geert J. T. Davids 1990-03-06
4894702 High efficiency, small geometry semiconductor devices Johannes W. A. Van Der Velden, Peter H. Kranen, Albertus Theodorus Maria Van De Goor, Date Jan Willem Noorlag 1990-01-16
4825267 Field effect transistor having self-registering source and drain regions to minimize capacitances 1989-04-25
4750971 Method of manufacturing a semiconductor device Johannes A. Appels 1988-06-14
4717689 Method of forming semimicron grooves in semiconductor material Johannes A. Appels 1988-01-05
4689872 Method of manufacturing a semiconductor device Johannes A. Appels 1987-09-01
4659428 Method of manufacturing a semiconductor device and semiconductor device manufactured by means of the method Johannes A. Appels 1987-04-21
4636826 Charge coupled devices having narrow coplanar silicon electrodes Jan W. Slotboom, Johannes A. Appels, Francois M. Klaassen 1987-01-13
4619039 Method of manufacturing a semiconductor device and device manufactured by the use of the method Jan W. Slotboom, Johannes A. Appels, Kazimierz Osinski 1986-10-28
4574468 Method of manufacturing a semiconductor device having narrow coplanar silicon electrodes Jan W. Slotboom, Johannes A. Appels, Francois M. Klaassen 1986-03-11
4545110 Method of manufacturing an insulated gate field effect device Francois M. Klaassen, Johannes A. Appels 1985-10-08
4514251 Method of manufacturing a semiconductor device, in which patterns are formed in a layer of silicon nitride by means of ion implantation Alfred H. van Ommen, Johannes A. Appels, Wilhelmus J. M. J. Josquin 1985-04-30
4449287 Method of providing a narrow groove or slot in a substrate region, in particular a semiconductor substrate region Johannes A. Appels 1984-05-22