Inventor · Ube, JP

Noboru Kakeya

9Patents
4h-index
11Co-inventors
54Inventor score

Filing activity: Apr 30, 1980 → Aug 12, 2003

Most-cited inventions

PatentTitleAreaCited byStatus
US5350868A .omega.-hydroxy-(.omega.-3)-ketonitrile and method for preparing .omega.-hydroxyaliphatic acid Chemistry; Metallurgy 27 Expired
US4301301A Method for producing triphenylphosphine Chemistry; Metallurgy 5 Expired
US5023351A .alpha.-(.omega.-cyanoalkanoyl-.gamma.-butyrolactone and method for producing the same Chemistry; Metallurgy 5 Expired
US5099036A .alpha.-(.omega.-cyanoalkanoyl)-.gamma.-butyrolactone and method for producing the same Chemistry; Metallurgy 4 Expired
US4578479A Process for preparing 1,2,4-triazole-3-carboxamides Chemistry; Metallurgy 2 Expired
US6914154B2 Process for production of biphenyltetracarboxylic acid tetraesters Chemistry; Metallurgy 1 Expired
US4400508A Orotic acid derivatives Chemistry; Metallurgy 1 Expired
US4363916A Hydantoin derivatives Human Necessities 1 Expired
US5380912A .omega.-hydroxy-(.omega.-3)-ketonitrile Chemistry; Metallurgy 1 Expired

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