Inventor · Neu-Isenburg, DE

Marja Van Kampen

29Patents
9h-index
28Co-inventors
71Inventor score

Filing activity: Dec 6, 2002 → Jan 30, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US8039477B2 Substituted pyrazolo[3,4-d]pyrimidin-4-one compounds as phosphodiesterase inhibitors Human Necessities 63 Expired
US8158633B2 Phenyl-substituted pyrazolopyrimidines Human Necessities 57 Expired
US7488733B2 6-arylamino-5-cyano-4-pyrimidinones as pde9a inhibitors Chemistry; Metallurgy 23 Expired
US7737156B2 Selective phosphodiesterase 9A inhibitors as medicaments for improving cognitive processes Chemistry; Metallurgy 21 Active
US7615558B2 6-arylmethylprazolo[3,4-d]pyrimidines Human Necessities 20 Expired
US7795453B2 Azabicyclic carbamates and their use as alpha-7 nicotinic acetylcholine receptor agonists Human Necessities 15 Expired
US7732477B2 2-heteroarylcarboxylic acid amides Human Necessities 15 Expired
US8076355B2 2-heteroarylcarboxylic acid amides Human Necessities 11 Active
US8044060B2 6-cyclylmethyl- and 6-alkylmethyl pyrazolo[3,4-D]pyrimidines, methods for their preparation and methods for their use to treat impairments of perception, concentration learning and/or memory Human Necessities 10 Expired
US7138410B2 Aza-bicyclic N-biarylamides with affinity for the α7 nicotinic acetylcholine receptor Human Necessities 6 Expired
US7553851B2 Amides of acetic and propionic acids Chemistry; Metallurgy 5 Expired
US8518967B2 Amides of acetic and propionic acids Chemistry; Metallurgy 4 Active
US7247728B2 Bicyclic N-arylamides Chemistry; Metallurgy 4 Expired
US8153799B2 Azabicyclic carbamates and their use as alpha-7 nicotinic acetylcholine receptor agonists Human Necessities 3 Active
US8772511B2 Azabicyclic carbamates and their use as alpha-7 nicotinic acetylcholine receptor agonists Human Necessities 2 Active
US7977485B2 2-heteroaryl carboxamides Human Necessities 2 Active
US9714242B2 Azabicyclic carbamates and their use as alpha-7 nicotinic acetylcholine receptor agonists Human Necessities 1 Active
US8809348B2 6-arylmethyl substituted pyrazolo[3,4-d]pyrimidines Human Necessities 1 Active
US9067931B2 2-heteroaryl carboxamides Human Necessities 1 Active
US9914729B2 Amides of acetic and propionic acids Chemistry; Metallurgy 1 Active
US8741907B2 Alkyl-substituted pyrazolopyrimidines Human Necessities 0 Active
US8822479B2 6-cyclylmethyl-and 6-alkylmethyl-substituted pyrazolepyrimidines Human Necessities 0 Active
US8455502B2 Selective phosphodiesterase 9A inhibitors as medicaments for improving cognitive processes Chemistry; Metallurgy 0 Active
US10414762B2 Amides of acetic and propionic acids Chemistry; Metallurgy 0 Active
US8642605B2 6-cyclylmethyl-and 6-alkylmethyl-substituted pyrazolepyrimidines Human Necessities 0 Active

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