Inventor · Harleysville, PA, US

Ian M. Bell

70Patents

16h-index

109Co-inventors

87Inventor score

Filing activity: Oct 27, 1994 → May 24, 2022

Most-cited inventions

Patent	Title	Area	Cited by	Status
US5718912A	Muscarine agonists	Chemistry; Metallurgy	77	Expired
US7951795B2	Constrained spirocyclic compounds as CGRP receptor antagonists	Human Necessities	43	Active
US6248756A	Inhibitors of farnesyl-protein transferase	Chemistry; Metallurgy	38	Expired
US5574044A	Muscarine antagonists	Chemistry; Metallurgy	37	Expired
US7390798B2	Carboxamide spirolactam CGRP receptor antagonists	Chemistry; Metallurgy	31	Expired
US5939439A	Inhibitors of farnesyl-protein transferase	Chemistry; Metallurgy	31	Expired
US5968938A	Piperazine oxytocin receptor antagonists	Chemistry; Metallurgy	25	Expired
US5691323A	Muscarine antagonists	Chemistry; Metallurgy	22	Expired
US7629338B2	Substituted monocyclic CGRP receptor antagonists	Chemistry; Metallurgy	21	Active
US7205293B2	Benodiazepine spirohydantoin CGRP receptor antagonists	Chemistry; Metallurgy	20	Expired
US8481556B2	Piperidinone carboxamide azaindane CGRP receptor antagonists	Chemistry; Metallurgy	17	Active
US5756497A	Tocolytic oxytocin receptor antagonists	Chemistry; Metallurgy	17	Expired
US8912210B2	Piperidinone carboxamide azaindane CGRP receptor antagonists	Chemistry; Metallurgy	17	Active
US7893079B2	Substituted monocyclic CGRP receptor antagonists	Chemistry; Metallurgy	17	Active
US8754096B2	Piperidinone carboxamide azaindane CGRP receptor antagonists	Chemistry; Metallurgy	17	Active
US7202251B2	Bicyclic anilide spirohydantoin CGRP receptor antagonists	Chemistry; Metallurgy	16	Expired
US7192954B2	Monocyclic anilide spirohydantoin CGRP receptor antagonists	Chemistry; Metallurgy	16	Expired
US7189722B2	Aryl spirohydantoin CGRP receptor antagonists	Chemistry; Metallurgy	15	Expired
US8883807B2	Piperidinone carboxamide indane CGRP receptor antagonists	Chemistry; Metallurgy	15	Active
US9499545B2	Piperidinone carboxamide azaindane CGRP receptor antagonists	Chemistry; Metallurgy	14	Active
US9833448B2	Piperidinone carboxamide azaindane CGRP receptor antagonists	Chemistry; Metallurgy	13	Active
US9227972B2	Aliphatic spirolactam CGRP receptor antagonists	Human Necessities	13	Active
US9499541B2	Piperidinone carboxamide indane CGRP receptor antagonists	Chemistry; Metallurgy	12	Active
US9227973B2	Pyridine CGRP receptor antagonists	Chemistry; Metallurgy	12	Active
US9409916B2	Piperidinone carboxamide spirohydantoin CGRP receptor antagonists	Chemistry; Metallurgy	12	Active

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