WA

Wilfried von Ammon

SA Siltronic Ag: 3 patents #1 of 38Top 3%
Overall (2011): #32,347 of 364,097Top 9%
3
Patents 2011

Issued Patents 2011

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8043427 Semiconductor wafers of silicon and method for their production Andreas Sattler, Martin Weber, Walter Haeckl, Herbert Schmidt 2011-10-25
8043929 Semiconductor substrate and method for production thereof Josef X. Brunner, Hiroyuki Deai, Atsushi Ikari, Martin Grassl, Atsuki Matsumura 2011-10-25
7868325 Semiconductor wafer of single crystalline silicon and process for its manufacture 2011-01-11