Karl-Heinz Schlemmer
118Patents
14h-index
228Co-inventors
89Inventor score
Filing activity: May 21, 1999 → Aug 18, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7157456B2 | Substituted oxazolidinones and their use in the field of blood coagulation | Chemistry; Metallurgy | 77 | Expired |
| US6362178B1 | 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors | Chemistry; Metallurgy | 73 | Expired |
| US8420656B2 | Substituted 5-fluoro-1H-pyrazolopyridines and their use | Chemistry; Metallurgy | 48 | Active |
| US6174884A | 1,5-dihydro-pyrazolo[34-D]-pyrimidinone derivatives | Human Necessities | 39 | Expired |
| US8309551B2 | Pyrazolopyridine, indazole, imidazopyridine, imidazopyrimidine, pyrazolopyrazine and pyrazolopyridine derivatives as stimulators of guanylate cyclase for cardiovascular disorders | Chemistry; Metallurgy | 36 | Active |
| US8921377B2 | Substituted 5-fluoro-1H-pyrazolopyridines and their use | Chemistry; Metallurgy | 26 | Active |
| US6458796B1 | Dihydro-[1,2,3]triazolo-[4,5-d]pyrimidin-7-one | Human Necessities | 23 | Expired |
| US7034017B2 | Substituted oxazolidinones and their use in the field of blood coagulation | Chemistry; Metallurgy | 19 | Expired |
| US6573263B2 | Substituted imidazotriazinones | Human Necessities | 18 | Expired |
| US6696451B1 | Dihydropyrimidines | Chemistry; Metallurgy | 18 | Expired |
| US7074784B2 | Medicaments against viral diseases | Chemistry; Metallurgy | 18 | Expired |
| US8399471B2 | Aryl-or heteroaryl-substituted pyrido[2,3-d] pyrimidines and pharmaceutical compositions of the same | Human Necessities | 17 | Active |
| US7022709B2 | Selective PDE 2 inhibitors as pharmaceuticals for improving perception | Human Necessities | 16 | Expired |
| US8796335B2 | Branched 3-phenylpropionic acid derivatives and their use | Chemistry; Metallurgy | 14 | Active |
| US9993476B2 | Substituted 5-flouro-1H-pyrazolopyridines and their use | Chemistry; Metallurgy | 13 | Active |
| US6566360B1 | 2-phenyl substituted imidatriazinones as phosphodiesterase inhibitors | Chemistry; Metallurgy | 13 | Expired |
| US7687510B2 | Pyrimidinone derivatives as therapeutic agents against acute and chronic inflammatory, ischaemic and remodelling processes | Chemistry; Metallurgy | 12 | Active |
| US7202243B2 | Substituted imidazotriazines | Human Necessities | 12 | Expired |
| US9266885B2 | Substituted 5-fluoro-1H-pyrazolopyridines and their use | Chemistry; Metallurgy | 11 | Active |
| US7998988B2 | Biphenyl compounds useful in the treatment or prevention of cardiovascular disorders | Chemistry; Metallurgy | 11 | Active |
| US6998402B2 | Substituted imidazotriazinones | Chemistry; Metallurgy | 11 | Expired |
| US6589949B1 | 3-oxo-2,1-benzisoxazol-1(3H)-carboxamides for treatment of CNS diseases | Human Necessities | 11 | Expired |
| US9598417B2 | (Aza)pyridopyrazolopyrimidinones and indazolopyrimidinones and their use | Chemistry; Metallurgy | 10 | Active |
| US7767702B2 | Substituted oxazolidinones for combinational therapy | Human Necessities | 10 | Active |
| US6890922B2 | 2-phenyl substituted imidazotriazinones as phosphodiesterase inhibitors | Chemistry; Metallurgy | 10 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.