Chikara Fukaya
34Patents
9h-index
47Co-inventors
71Inventor score
Filing activity: Nov 17, 1982 → Jan 23, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5750545A | Triazole derivative and pharmaceutical use thereof | Chemistry; Metallurgy | 45 | Expired |
| US5371086A | Aminopyridine compounds | Chemistry; Metallurgy | 31 | Expired |
| US5262415A | Aminopyridine compounds | Chemistry; Metallurgy | 24 | Expired |
| US4534978A | Perfluorocycloamines | Chemistry; Metallurgy | 22 | Expired |
| US4425347A | Perfluorobicyclo compound emulsion preparation | Human Necessities | 15 | Expired |
| US4526969A | Trifluoromethyl substituted perfluoro quinolizines | Chemistry; Metallurgy | 13 | Expired |
| US5308840A | Substituted or unsubstituted benzhydryl heteroalkyl-substituted aminophenol compounds and pharmaceutical compositions thereof | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4983584A | Therapeutic and prophylactic agents for peptic ulcers | Chemistry; Metallurgy | 9 | Expired |
| US4542147A | Perfluoro-1-azatricyclic amine compound | Chemistry; Metallurgy | 9 | Expired |
| US4423061A | Perfluorocycloamine emulsion preparation | Human Necessities | 9 | Expired |
| US4599343A | Perfluoroindolizines and emulsions thereof useful as blood substitutes | Chemistry; Metallurgy | 8 | Expired |
| US4591599A | Perfluoropyrrolizines and emulsions thereof useful as blood substitutes | Chemistry; Metallurgy | 8 | Expired |
| US4605786A | Perfluoro ether compound containing perfluorocycloalkyl moiety | Chemistry; Metallurgy | 8 | Expired |
| US4888417A | Therapeutic and prophylactic agents for peptic ulcer | Chemistry; Metallurgy | 7 | Expired |
| US4886819A | Dihydropyridine derivatives and pharmaceutical composition thereof | Chemistry; Metallurgy | 6 | Expired |
| US4733002A | Lipoxygenase inhibitor | Chemistry; Metallurgy | 6 | Expired |
| US4591593A | Perfluoro compound and emulsion thereof | Chemistry; Metallurgy | 4 | Expired |
| US4775743A | Peptide derivatives | Human Necessities | 4 | Expired |
| US4530926A | Perfluorotricyclic amines as oxygen carriers | Chemistry; Metallurgy | 4 | Expired |
| US4654337A | Perfluoro-1-azatricyclic amine compounds useful as blood substitutes or in infusion fluids | Chemistry; Metallurgy | 3 | Expired |
| US4713459A | Perfluoro compounds | Chemistry; Metallurgy | 2 | Expired |
| US4605650A | Perfluoro-1-azatricyclic amine compounds useful as oxygen carriers in artificial blood and infusion fluids | Chemistry; Metallurgy | 2 | Expired |
| US4868201A | Indoleacetic acid derivatives used as anti-inflammatories | Human Necessities | 2 | Expired |
| US4933329A | Bis-S-alkylbenzene derivatives | Chemistry; Metallurgy | 2 | Expired |
| US5053498A | Therapeutic and prophylactic agents for peptic ulcer | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.