LH

Ludwig Hoffmann

SA Siemens Aktiengesellschaft: 1 patents #10,653 of 22,248Top 50%
Overall (All Time): #4,018,718 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4531142 Light emitting diode having silicon carbide layers Claus Weyrich, Guenther Ziegler, Dietmar Theis 1985-07-23