Nobuyuki Fukazawa
22Patents
6h-index
44Co-inventors
69Inventor score
Filing activity: Nov 26, 1979 → Mar 6, 2002
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5405843A | Quinoline derivatives | Chemistry; Metallurgy | 34 | Expired |
| US5112817A | Quinoline derivatives | Chemistry; Metallurgy | 34 | Expired |
| US5204348A | Heterocyclic compounds and anticancer-drug potentiaters conaining them as effective components | Chemistry; Metallurgy | 27 | Expired |
| US4539150A | Benzothiazepine derivatives and their methods of preparation | Chemistry; Metallurgy | 17 | Expired |
| US5232923A | Catechol derivatives and pharmaceutical preparations containing same | Chemistry; Metallurgy | 17 | Expired |
| US4521415A | 6-(Substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds | Chemistry; Metallurgy | 15 | Expired |
| US4639451A | Pyridazinone derivatives | Chemistry; Metallurgy | 3 | Expired |
| US4814458A | Process for preparing 4-acetyl isoquinolinone compounds | Chemistry; Metallurgy | 3 | Expired |
| US5532349A | Process for producing 1-(2'-deoxy-.beta.-D-erythro-pentofuranosyl)-5-trifluoromethyluracil derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5434155A | Quinoline derivative fumarates | Human Necessities | 2 | Expired |
| US5338745A | Amide derivatives of dihydrocaffeic acid and their application to pharmaceuticals | Chemistry; Metallurgy | 2 | Expired |
| US4523011A | Process for preparing 6-(substituted phenyl)-4,5-dihydro-3(2H)-pyridazinone compounds | Chemistry; Metallurgy | 2 | Expired |
| US5116979A | Dihydrocaffeic acid derivatives and pharmaceutical preparations containing same | Chemistry; Metallurgy | 1 | Expired |
| US4283398A | Cephalosporins | Human Necessities | 1 | Expired |
| US4965263A | 6-acylaminophenyl-5-alkyl-4,5-dihydro-3(2H)-pyridazinone compounds useful as blood pressure depressants, antithrombotic agents and in the treatment of heart disease | Chemistry; Metallurgy | 1 | Expired |
| US6423852B1 | Process for the preparation of trifluorothymidine derivatives | Chemistry; Metallurgy | 1 | Expired |
| US6822090B2 | Process for the preparation of cytidine derivatives | Chemistry; Metallurgy | 1 | Expired |
| US4539151A | Benzothiazepine derivatives and their method of preparation | Emerging Cross-Sectional Technologies | 0 | Expired |
| US7038039B2 | Process for selectively producing 1-phosphorylated sugar derivative anomer and process for producing nucleoside | Chemistry; Metallurgy | 0 | Expired |
| US5463061A | Process for production of glycide derivative | Chemistry; Metallurgy | 0 | Expired |
| US5290793A | Dihydrocaffeic acid derivatives and pharmaceutical preparation containing same | Chemistry; Metallurgy | 0 | Expired |
| US5047545A | 2-alkoxycarbonyl-4-(4-pyridyl)cyclohexanones and process for preparing them | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.