SB

Siegfried Birkle

SA Siemens Aktiengesellschaft: 4 patents #5 of 792Top 1%
📍 Höchstadt an der Aisch, DE: #1 of 4 inventorsTop 25%
Overall (1997): #5,862 of 185,788Top 4%
4
Patents 1997

Issued Patents 1997

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
5703186 Mixed polymers Recai Sezi, Horst Borndoerfer, Hellmut Ahne, Eberhard Kuehn, Rainer Leuschner +2 more 1997-12-30
5648195 Radiation-sensitive resist composition comprising a diazoketone Michael Sebald, Karin Preissner, Hans Jurgen Bestmann 1997-07-15
5616667 Copolymers Recai Sezi, Horst Borndoerfer, Hellmut Ahne, Eberhard Kuehn, Rainer Leuschner +2 more 1997-04-01
5601902 Multilayer printed circuit boards and multichip-module substrates, with layers of amorphous hydrogenated carbon Albert Hammerschmidt 1997-02-11