Inventor · Beverley, GB

Stephen Kelly

26Patents
8h-index
28Co-inventors
75Inventor score

Filing activity: Aug 1, 1979 → Feb 27, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US4710315A Anisotropic compounds and liquid crystal mixtures therewith Chemistry; Metallurgy 39 Expired
US4637897A Nematic compounds Chemistry; Metallurgy 37 Expired
US4261652A Liquid crystal compounds and materials and devices containing them Chemistry; Metallurgy 26 Expired
US4514317A Anisotropic compounds and liquid crystal mixtures Chemistry; Metallurgy 22 Expired
US4357078A Liquid crystal compounds containing an alicyclic ring and exhibiting a low dielectric anisotropy and liquid crystal materials and devices incorporating such compounds Chemistry; Metallurgy 19 Expired
US6692797B1 Photoactive pentaerythritol derivatives and orientation layers Physics 17 Expired
US4400061A Liquid crystal ester compounds exhibiting a low or negative dielectric anisotropy and liquid crystal materials and devices incorporating such compounds Chemistry; Metallurgy 12 Expired
US4219256A Liquid crystal compounds and materials and devices containing them Chemistry; Metallurgy 12 Expired
US7118787B2 Liquid crystal alignment layer Emerging Cross-Sectional Technologies 8 Expired
USD618534S1 Handlebar grip General 8 Expired
US6106908A Liquid crystalline (E, E)-butadiene compounds and mixtures and devices containing such compounds Chemistry; Metallurgy 7 Expired
US6867243B2 Light emitting polymer Electricity 7 Expired
US6830831B2 Light emitter for a display Emerging Cross-Sectional Technologies 6 Expired
US6333082A Liquid crystalline (E,E)-butadiene compounds and mixtures and devices containing such compounds Chemistry; Metallurgy 4 Expired
US7097887B2 Liquid crystal compounds Physics 2 Expired
US7166239B2 Light emitting polymer Electricity 2 Expired
US7396487B2 Liquid crystal compounds Chemistry; Metallurgy 2 Expired
US7265163B2 Light emitting polymer Electricity 1 Expired
US6187393A Liquid crystal alkenyl bicyclo[2.2.2]octanes and mixtures and devices containing such compounds Chemistry; Metallurgy 1 Expired
US7820907B2 Liquid crystalline interpenetrating polymer networks Emerging Cross-Sectional Technologies 0 Active
US7081307B2 Light emitter for a display Emerging Cross-Sectional Technologies 0 Expired
USD1086372S1 Spray gun body General 0 Active
US7199167B2 Light emitting polymer Electricity 0 Expired
USRE36849E Anisotropic compounds and liquid crystal mixtures therewith General 0 Expired
US6653499B1 Photoactive propane derivatives and orientation layers Physics 0 Expired

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