Nobuyuki Hamanaka
31Patents
8h-index
20Co-inventors
75Inventor score
Filing activity: Jul 13, 1978 → Jan 22, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5849919A | Fused benzeneoxyacetic acid derivatives which have PGI.sub.2 receptor anonist activity | Chemistry; Metallurgy | 21 | Expired |
| US5344836A | Fused benzeneoxyacetic acid derivatives | Chemistry; Metallurgy | 20 | Expired |
| US5795914A | Phenylalkan(en)oic acid | Chemistry; Metallurgy | 14 | Expired |
| US5378716A | Pyrazol-1-yl phenoxyacetic acid compounds which have useful pharmaceutical utility | Chemistry; Metallurgy | 14 | Expired |
| US5703099A | Phenoxyacetic acid derivatives | Chemistry; Metallurgy | 13 | Expired |
| US5168101A | Sulfonamide derivatives | Chemistry; Metallurgy | 11 | Expired |
| US5470956A | Antibodies for mevalonic acid and methods for immunological determination of mevalonic acid by using them | Chemistry; Metallurgy | 10 | Expired |
| US6001877A | Phenylalkan(en)oic acid | Chemistry; Metallurgy | 9 | Expired |
| US5589496A | Fused benzeneoxyacetic acid derivatives which have PGI.sub.2 receptor agonist activity | Chemistry; Metallurgy | 8 | Expired |
| US4389413A | 9,11-Methano-13-aza-11a-carbathrombanoic acid analogues | Chemistry; Metallurgy | 8 | Expired |
| US6018068A | Naphthyloxyacetic acid derivatives and drugs comprising the same as active ingredients | Chemistry; Metallurgy | 5 | Expired |
| US4208428A | Prostaglandin analogues | Chemistry; Metallurgy | 5 | Expired |
| US5389666A | Fused benzeneoxyacetic acid derivatives | Chemistry; Metallurgy | 5 | Expired |
| US5461045A | Fused benzeneoxyacetic acid derivatives | Chemistry; Metallurgy | 4 | Expired |
| US5256686A | Phenylalkan(en)oic acid | Chemistry; Metallurgy | 4 | Expired |
| US5480998A | Oxime derivative | Chemistry; Metallurgy | 4 | Expired |
| US5457122A | Phenylalkan(en)oic acid | Chemistry; Metallurgy | 4 | Expired |
| US5723493A | Naphthyloxyacetic acid | Chemistry; Metallurgy | 4 | Expired |
| US6046236A | Carbocyclic sulfonamides | Chemistry; Metallurgy | 4 | Expired |
| US5663417A | Carbocyclic sulfonamides | Chemistry; Metallurgy | 3 | Expired |
| US4622410A | Bicyclo[3,3,0]octan-3-ones | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5624959A | Naphthyloxyacetic acid | Chemistry; Metallurgy | 3 | Expired |
| US5591648A | Antibodies for mevalonic acid and methods for immunological determination of mevalonic acid by using them | Chemistry; Metallurgy | 2 | Expired |
| US5935985A | Phenoxyacetic acid derivatives | Chemistry; Metallurgy | 1 | Expired |
| US5536736A | Triazolyl-phenoxyacetic acid compounds which have useful pharmaceutical utility | Chemistry; Metallurgy | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.