Inventor · Clausthal-Zellerfeld, DE

Edgar Bohm

13Patents
7h-index
18Co-inventors
59Inventor score

Filing activity: Aug 1, 1985 → May 2, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
US5759442A Polyimide alignment film from 2,2-BIS (3,4-dicarboxyphenyl)--hexafluoropropane dianhydride and ortho-substituted aromatic diamines for active matrix liquid crystal displays Physics 12 Expired
US6139926A Polyimide photo alignment film from 3,3,4,4-benzophenone tetracarboxylic dianhydride and ortho-substituted aromatic diamines for liquid crystal displays Emerging Cross-Sectional Technologies 12 Expired
US6067139A Multi-domain STN LCD comprising fluorinated polyimide alignment layers Emerging Cross-Sectional Technologies 12 Expired
US6287650A Organosilicon compounds Emerging Cross-Sectional Technologies 8 Expired
US4607203A Method and apparatus for determining the pole position in a synchronous linear stator motor Emerging Cross-Sectional Technologies 8 Expired
US5731404A Polyimide film from pyromellitic dianhydride and a bis(4-aminophenoxy) aromatic compound as an alignment layer for liquid crystal displays Emerging Cross-Sectional Technologies 8 Expired
US5856432A Polyimide film from pyromellitic dianhydride and a bis (4-aminophenoxy) aromatic compound as an alignment layer for liquid crystal displays Emerging Cross-Sectional Technologies 7 Expired
US6471139B1 Rail arrangement Fixed Constructions 6 Expired
US5670609A Polyimide films from pyromellitic dianhydride and 2-2'-bis(perfluoroalkoxy)benzidines as alignment layers for liquid crystal displays Emerging Cross-Sectional Technologies 6 Expired
US5735457A Rubber mixture for an elastic intermediate layer for a rail support Mechanical Engineering; Lighting; Heating 6 Expired
US5520845A Poly(2,6-piperazinedione) alignment layer for liquid crystal displays Emerging Cross-Sectional Technologies 5 Expired
US6348245B1 Polymide photo alignment film from 3,3′,4,4′-benzophenone tetracarboxylic dianhydride and ortho-substituted aromatic diamines for liquid crystal displays Emerging Cross-Sectional Technologies 3 Expired
US6511720B2 Organosilicon compounds Emerging Cross-Sectional Technologies 3 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.