US

Ulrich Schaper

SA Siemens Aktiengesellschaft: 3 patents #4,667 of 22,248Top 25%
Infineon Technologies Ag: 2 patents #3,160 of 7,486Top 45%
Overall (All Time): #1,037,036 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6873173 Test circuit arrangement and method for testing a multiplicity of transistors Ute Kollmer, Carsten Linnenbank, Roland Thewes 2005-03-29
6831474 Apparatus and method for testing a plurality of electrical components that are coupled to one another Ute Kollmer, Carsten Linnenbank, Roland Thewes 2004-12-14
5317176 Power transistor having multifinger contacts Birgit Holzapfl 1994-05-31
4965464 Power amplifier circuit for integrated digital circuits Paul-Werner von Basse, Jean-Marc Dortu, Andrea Herlitzek, Dieter Kohlert 1990-10-23
4958319 Address amplifier circuit having automatic interlock and protection against multiple addressing for use in static GaAs RAMs Paul-Werner von Basse, Jean-Marc Dortu, Andrea Herlitzek, Dieter Kohlert 1990-09-18