Norbert Höfgen
25Patents
9h-index
42Co-inventors
75Inventor score
Filing activity: Mar 25, 1996 → Dec 17, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5723463A | Pyrido 3,2-E!pyrazinones with anti-asthmatic action and processes for their manufacture | Human Necessities | 35 | Expired |
| US6251923A | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4 and process for their preparation | Chemistry; Metallurgy | 28 | Expired |
| US9981950B2 | Triazoles as NR2B receptor inhibitors | Chemistry; Metallurgy | 17 | Active |
| US10155727B2 | Pyrazoles | Chemistry; Metallurgy | 15 | Active |
| US10323021B2 | Triazoles as NR2B receptor inhibitors | Chemistry; Metallurgy | 13 | Active |
| US6602890B2 | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4 and processes for their preparation | Chemistry; Metallurgy | 12 | Expired |
| US6613794B2 | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4 and processes for their preparation | Chemistry; Metallurgy | 10 | Expired |
| US6180637A | 1,2,5-trisubstituted 1,2-dihydroindazol-3-ones having anti-asthmatic, anti-allergic, anti-inflammatory, immunomodulating and neuroprotective action, process for their preparation and their use as medicaments | Chemistry; Metallurgy | 9 | Expired |
| US7166637B2 | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4, and processes for preparing them | Chemistry; Metallurgy | 9 | Expired |
| US7169787B2 | 7-azaindoles, use thereof as phosphodiesterase 4 inhibitors and method for producing the same | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6166023A | 1,5- and 3-O-substituted 1H-indazoles having anti-asthmatic, anti-allergic, anti-inflammatory, immunomodulating and neuroprotective action, process for their preparation and their use as medicaments | Chemistry; Metallurgy | 8 | Expired |
| US6545158B2 | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4 and processes for their preparation | Chemistry; Metallurgy | 5 | Expired |
| US9085584B2 | Substituted pyrido[3,2-E][1,2,4]-triazolo[4,3-A]pyrazines for the treatment of central nervous system disorders | Chemistry; Metallurgy | 5 | Active |
| US6545025B2 | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4 and processes for their preparation | Chemistry; Metallurgy | 5 | Expired |
| USRE38624E1 | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4 and process for their preparation | General | 5 | Expired |
| US7550465B2 | Pyrido[3,2-e]pyrazines, their use as inhibitors of phosphodiesterase 10, and processes for preparing them | Human Necessities | 4 | Active |
| US7875618B2 | Substituted imidazo[1,5-a]quinoxalines useful as inhibitors of phosphodiesterase 10 for the treatment of neurological and other disorders | Human Necessities | 3 | Active |
| US7419987B2 | 7-azaindoles, their use as inhibitors of phosphodiesterase 4, and a method for synthesizing them | Emerging Cross-Sectional Technologies | 1 | Expired |
| USRE49517E1 | Pyrazoles | General | 0 | Active |
| US7683074B2 | 7-azaindoles, their use as inhibitors of phosphodiesterase 4, and a method for synthesizing them | Emerging Cross-Sectional Technologies | 0 | Active |
| US7947705B2 | 7-azaindoles and the use thereof as therapeutic agents | Human Necessities | 0 | Active |
| US6440968B1 | Use of maduraohtalazine derivatives as inhibitors of proinflammatory cytokines | Human Necessities | 0 | Expired |
| US6465465B1 | Process for the treatment of erectile dysfunction and product therefor | Human Necessities | 0 | Expired |
| US7122674B2 | Process for preparing high-purity hydroxyindolylglyoxylamides | Chemistry; Metallurgy | 0 | Expired |
| US7161009B2 | Hydroxyindoles, their use as inhibitors of phosphodiesterase 4 and processes for their preparation | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.