Inventor · Frankfurt am Main, DE

Norbert Rosch

16Patents
7h-index
17Co-inventors
59Inventor score

Filing activity: Apr 10, 1991 → Jul 19, 2005

Most-cited inventions

PatentTitleAreaCited byStatus
US5430564A Process for producing ferroelectric liquid-crystal cells with oleophilic additive employing heat and low pressure overlapped a short time Physics 22 Expired
US5361152A Process for producing ferroelectric liquid-crystal cells Physics 14 Expired
US5206751A Process for the production of an impact-resistant liquid crystal switching and display device Physics 10 Expired
US5405552A Modified polysugar as the alignment layer for liquid-crystal displays Physics 9 Expired
US5384168A Ferroelectric liquid-crystal display of high contrast and brightness Emerging Cross-Sectional Technologies 8 Expired
US5373380A Ferroelectric liquid crystal display with liquid crystal mixtures having high spontaneous polarization and short helical pitch and alignment layers containing lipophilic or amphiphilic compounds Physics 8 Expired
US5178792A Macrocyclic compounds as component for ferroelectric liquid crystal mixtures Chemistry; Metallurgy 8 Expired
US5644016A Maleimide copolymer as alignment layer for liquid-crystal displays Emerging Cross-Sectional Technologies 7 Expired
US5702777A Silane couplers containing cyclic structural elements as alignment films Emerging Cross-Sectional Technologies 7 Expired
US5333075A Ferroelectric liquid crystal mixtures containing lipohilizing, lipophilic or amphiphilic compounds for eliminating ionic impurities Chemistry; Metallurgy 5 Expired
US5167856A Ionophore-containing ferroelectric liquid crystal mixtures Chemistry; Metallurgy 4 Expired
US5702639A Use of complex ligands for ions in ferroelectric liquid-crystal mixtures Chemistry; Metallurgy 4 Expired
US5445762A Stabilized complex ligands and their use in liquid crystal displays Physics 3 Expired
US5409635A Alignment layers containing cyclic structural elements Physics 2 Expired
US5250215A Ferroelectric liquid-crystal mixtures containing mercapto compounds Chemistry; Metallurgy 2 Expired
US8197415B2 Non-invasive heart monitoring apparatus and method Human Necessities 1 Active

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