Inventor · Zürich, CH

Maged A. Osman

26Patents
13h-index
11Co-inventors
74Inventor score

Filing activity: Dec 15, 1976 → Jan 25, 1993

Most-cited inventions

PatentTitleAreaCited byStatus
US4368135A Anisotropic compounds with negative or positive DC-anisotropy and low optical anisotropy Chemistry; Metallurgy 70 Expired
US4808333A Anisotropic compounds having nematic phase and liquid crystal mixtures Chemistry; Metallurgy 37 Expired
US4137193A Utilization of dyes for liquid crystal displays Chemistry; Metallurgy 29 Expired
US4664840A Liquid crystal compounds Chemistry; Metallurgy 24 Expired
US4361494A Anisotropic cyclohexyl cyclohexylmethyl ethers Chemistry; Metallurgy 24 Expired
US4723005A Anisotropic compounds and liquid crystal mixtures Chemistry; Metallurgy 24 Expired
US4514317A Anisotropic compounds and liquid crystal mixtures Chemistry; Metallurgy 22 Expired
US4122026A Liquid crystal mixtures Chemistry; Metallurgy 20 Expired
US4299720A Liquid crystal mixture Chemistry; Metallurgy 20 Expired
US4349452A Cyclohexylcyclohexanoates Chemistry; Metallurgy 20 Expired
US4228029A Liquid crystalline compositions Chemistry; Metallurgy 16 Expired
US4622163A Anisotropic compounds and liquid crystal mixtures Chemistry; Metallurgy 13 Expired
US4767729A Process for the preparation of a voltage-dependent ceramic resistance based on ZnO, and a resistance produced by the process Electricity 13 Expired
US4559167A Zinc oxide varistor Emerging Cross-Sectional Technologies 10 Expired
US5047170A Anisotropic compounds having nematic phase and liquid crystal mixtures Chemistry; Metallurgy 8 Expired
US4686289A Anisotropic compounds and liquid crystal mixtures Chemistry; Metallurgy 6 Expired
US4173544A Novel alkylsubstituted N-benzylideneanilines and liquid crystal compositions containing same Chemistry; Metallurgy 6 Expired
US4260987A Display device Physics 5 Expired
US5310501A Anisotropic compounds having Nematic phase and liquid crystal mixtures Chemistry; Metallurgy 3 Expired
US4167489A Liquid crystalline compounds Chemistry; Metallurgy 3 Expired
US5120467A Anisotropic compounds and liquid crystal mixtures Chemistry; Metallurgy 3 Expired
US5179101A Anisotropic compounds having nematic phase and liquid crystal mixtures Chemistry; Metallurgy 2 Expired
US5252252A Anisotropic compounds and liquid crystal mixtures Chemistry; Metallurgy 2 Expired
US5227484A Anisotropic compounds having nematic phase and liquid crystal mixtures Chemistry; Metallurgy 1 Expired
US4833228A Linear rodlike polyesters Chemistry; Metallurgy 1 Expired

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