Inventor · Ibaraki, JP

Kazumasa Nara

13Patents
6h-index
34Co-inventors
62Inventor score

Filing activity: Feb 1, 1995 → Mar 15, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7612114B2 Selective estrogen receptor modulator Chemistry; Metallurgy 73 Active
US6787534B2 Sulfonamide-containing heterocyclic compounds Chemistry; Metallurgy 70 Expired
US5648372A Antifungal agents, and compositions Emerging Cross-Sectional Technologies 21 Expired
US7790885B2 Process for preparing phenoxypyridine derivatives Chemistry; Metallurgy 20 Active
US8399520B2 Selective estrogen receptor modulator Chemistry; Metallurgy 17 Active
US7960412B2 Selective estrogen receptor modulator Chemistry; Metallurgy 15 Active
US6469043B1 Sulfonamide-containing indole compounds Chemistry; Metallurgy 4 Expired
US5792781A Antifungal agents, processes for the preparation thereof, and intermediates Emerging Cross-Sectional Technologies 3 Expired
US8530654B2 Crystals, amorphous substances or salts of methyl N-[3-(6,7-dimethoxy-2-methylaminoquinazolin-4-yl) phenyl] terephthalamic acid Chemistry; Metallurgy 2 Active
US5789429A Antifungal agents, processes for the preparation thereof, and intermediates Emerging Cross-Sectional Technologies 1 Expired
US6673787B2 Sulfonamide-containing indole compounds Chemistry; Metallurgy 1 Expired
US7834049B2 Integrin expression inhibitor Chemistry; Metallurgy 0 Active
US6638964B2 Sulfonamide-containing indole compounds Chemistry; Metallurgy 0 Expired

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.