Inventor · Langenfeld, DE

Mazen Es-Sayed

49Patents
10h-index
144Co-inventors
78Inventor score

Filing activity: Apr 29, 1994 → Nov 27, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US6362178B1 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Chemistry; Metallurgy 73 Expired
US5565488A Oxalylamino-benzofuran- and benzothienyl-derivatives Chemistry; Metallurgy 21 Expired
US5922740A Heterocyclylcarbonyl substituted benzofuranyl-ureas Chemistry; Metallurgy 20 Expired
US7087616B2 Pyrazolyl pyrimidines Chemistry; Metallurgy 15 Expired
US6566360B1 2-phenyl substituted imidatriazinones as phosphodiesterase inhibitors Chemistry; Metallurgy 13 Expired
US5622989A Amino-benzofuryl-and thienyl-derivatives Chemistry; Metallurgy 12 Expired
US5504213A Benzofuranyl-and-thiophenyl-alkanecarboxyclic acid derivatives Chemistry; Metallurgy 11 Expired
US6617332B1 Tan-1057 derivatives Chemistry; Metallurgy 10 Expired
US8202877B2 Aminopyrimidinamides as pesticides Chemistry; Metallurgy 10 Active
US6890922B2 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Chemistry; Metallurgy 10 Expired
US6803365B2 Imidazo[1,3,5]triazinones and the use thereof Human Necessities 9 Expired
US7696206B2 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Chemistry; Metallurgy 9 Active
US7122540B2 2-Phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Chemistry; Metallurgy 9 Expired
US6476029B1 7-alkyl- and cycloalkyl-substituted imidazotriazinones Chemistry; Metallurgy 8 Expired
US7098207B2 Imidazotriazinones and the use thereof Human Necessities 7 Expired
US6169092A 3-Ureido-pyridofurans and -pyridothiophenes for the treatment of inflammatory processes Chemistry; Metallurgy 6 Expired
US6399657B1 N-(3-benzofuranyl) urea-derivatives Chemistry; Metallurgy 6 Expired
US6677372B2 N-(3-benzofuranyl)urea-derivatives Chemistry; Metallurgy 5 Expired
US7238697B2 Pyridylpyrimidines for use as pesticides Chemistry; Metallurgy 5 Expired
US10125126B2 N-cycloalkyl-N-[(heterocyclylphenyl)methylene]-(thio)carboxamide derivatives Chemistry; Metallurgy 5 Active
US9510598B2 Nitrogen-containing heterocyclic compounds for plant disease control Chemistry; Metallurgy 4 Active
US5691359A Heterocyclylcarbonyl substituted benzofuranyl- and -thiophenyl-alkanecarboxyclic acid derivatives Chemistry; Metallurgy 4 Expired
US9776993B2 Nitrogen-containing heterocyclic compounds for plant disease control Chemistry; Metallurgy 4 Active
US7704999B2 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors Chemistry; Metallurgy 3 Active
US7091203B2 Imidazo[1,3,5]triazinones and their use Human Necessities 3 Expired

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