Inventor · Meriden, CT, US

David R. Langley

53Patents
12h-index
90Co-inventors
87Inventor score

Filing activity: Dec 2, 1988 → Apr 20, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US7659270B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 55 Active
US7704992B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 47 Active
US7745636B2 Hepatitis C virus inhibitors Human Necessities 43 Active
US7741347B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 42 Active
US8303944B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 34 Active
US7759495B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 32 Active
US5478854A Deoxy taxols Electricity 28 Expired
US9308236B2 Macrocyclic inhibitors of the PD-1/PD-L1 and CD80(B7-1)/PD-L1 protein/protein interactions Emerging Cross-Sectional Technologies 24 Active
US8147818B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 18 Active
US8574563B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 16 Active
US7534792B2 Pyrrolotriazine kinase inhibitors Emerging Cross-Sectional Technologies 15 Active
US9879046B2 Macrocyclic inhibitors of the PD-1/PD-L1 and CD80(B7-1)/PD-L1 protein/protein interactions Emerging Cross-Sectional Technologies 13 Active
US4965348A Dimeric epipodophyllotoxin glucoside derivatives Human Necessities 11 Expired
US9850225B2 Compounds useful as immunomodulators Emerging Cross-Sectional Technologies 11 Active
US8492553B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 11 Active
US5395849A Hybrid antitumor compounds containing a cyclic enediyne and a DNA-binder Chemistry; Metallurgy 10 Expired
US8642025B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 9 Active
US9850283B2 Macrocyclic inhibitors of the PD-1/PD-L1 and CD80(B7-1)/PD-L1 protein/protein interactions Physics 9 Active
US9856292B2 Immunomodulators Emerging Cross-Sectional Technologies 8 Active
US4935504A Epipodophyllotoxin glucoside 4'-acyl derivatives Chemistry; Metallurgy 8 Expired
US10143746B2 Immunomodulators Human Necessities 8 Active
US8288562B2 Hepatitis C virus inhibitors Chemistry; Metallurgy 8 Active
US10538555B2 Macrocyclic inhibitors of the PD-1/PD-L1 and CD80(B7-1)/PD-L1 protein/protein interactions Emerging Cross-Sectional Technologies 7 Active
US10144706B2 Compounds useful as immunomodulators Chemistry; Metallurgy 7 Active
US9006235B2 Inhibitors of human immunodeficiency virus replication Chemistry; Metallurgy 7 Active

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