WK

Walter Kellner

SA Siemens Aktiengesellschaft: 4 patents #3,516 of 22,248Top 20%
📍 Putzbrunn, DE: #17 of 83 inventorsTop 25%
Overall (All Time): #1,287,275 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5843819 Semiconductor memory device with trench capacitor and method for the production thereof Karl-Heinz Kusters, Wolfgang Muller, Franz-Xaver Stelz 1998-12-01
5701022 Semiconductor memory device with trench capacitor Karl-Heinz Kusters, Wolfgang Muller, Franz-Xaver Stelz 1997-12-23
4292643 High cut-off frequency planar Schottky diode having a plurality of finger-like projections arranged in parallel in a transmission line Hermann Kniepkamp, Dietrich Ristow 1981-09-29
4264915 Charge-coupled component formed on gallium arsenide Hartwig Bierhenke, Hermann Kniepkamp 1981-04-28