Inventor · Osaka, JP

Nobuyuki Hamanaka

31Patents
8h-index
20Co-inventors
75Inventor score

Filing activity: Jul 13, 1978 → Jan 22, 2001

Most-cited inventions

PatentTitleAreaCited byStatus
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.