Inventor
THOMANN HELMUT
5 patents
Patents
5 patentsUS4812296AMar 14, 1989
Process utilizing catalytic material for the reduction of nitrous oxides
SIEMENS AG70 citations91
US4330358AMay 18, 1982
Method of producing plate- or tape-shaped silicon crystal bodies having crystalline pillar-like structures therein, equivalent to _crystalline columnar structures, for large surface solar cells
SIEMENS AG56 citations91
US4254200AMar 3, 1981
Electrophotographic element with bismuth oxide compound
SIEMENS AG8 citations72
US4227084AOct 7, 1980
Method of detecting high energy radiation via a bismuth oxide compound
SIEMENS AG9 citations72
US4900892AFeb 13, 1990
Method for working members composed of oxide material
SIEMENS AG10 citations69