Inventor · Concord, CA, US

Timothy C. Johnson

35Patents
8h-index
48Co-inventors
75Inventor score

Filing activity: Aug 13, 1991 → Mar 16, 2017

Most-cited inventions

PatentTitleAreaCited byStatus
US5163995A Herbicidal alkoxy-1,2,4-triazolo[1,5-c]pyrimidine-2-sulfonamides Human Necessities 51 Expired
US5858924A N-(1, 2, 4! triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Chemistry; Metallurgy 46 Expired
US8815271B2 Pesticidal compositions and processes related thereto Chemistry; Metallurgy 19 Active
US5177206A Process for the preparation of substituted N-(aryl)-1,2,4-triazolopyrimidine-2-sulfonamides Emerging Cross-Sectional Technologies 18 Expired
US8350044B2 Pesticidal compositions Chemistry; Metallurgy 12 Active
US6518222B2 N-([1,2,4] triazoloazinyl) thiophenesulfonamide compounds and their use as herbicides Chemistry; Metallurgy 11 Expired
US8853246B2 Pesticidal compositions Chemistry; Metallurgy 11 Active
US9006446B2 Pesticidal compositions Chemistry; Metallurgy 10 Active
US8013154B2 Insecticidal substituted azinyl derivatives Chemistry; Metallurgy 6 Active
US5965490A N-([1,2,4]triazoloazinyl)benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Chemistry; Metallurgy 6 Expired
US6005108A N-([1,2,4]triazoloazinyl)benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Chemistry; Metallurgy 4 Expired
US6559101B2 N- (5, 7-dimethoxy [1, 2, 4] triazolo [1, 5-a] pyrimidin-2-yl) arylsulfonamide compounds and their use as herbicides Human Necessities 4 Expired
US9422278B2 Pesticidal compositions and processes related thereto Chemistry; Metallurgy 4 Active
US6303814A N-[1,2,4]triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Chemistry; Metallurgy 3 Expired
US8507671B2 Insecticidal substituted azinyl derivatives Chemistry; Metallurgy 3 Active
US8455649B2 Insecticidal substituted azinyl derivatives Chemistry; Metallurgy 3 Active
US8680121B2 Pesticidal compositions and processes related thereto Chemistry; Metallurgy 3 Active
US6130335A N-([1,2,4]triazoloazinyl) benzenesulfonamide and pyridinesulfonamide compounds and their use as herbicides Chemistry; Metallurgy 3 Expired
US9655365B2 Pesticidal compositions and processes related thereto Chemistry; Metallurgy 3 Active
US6645918B1 N-([1,2,4]triazoloazinyl)thiophenesulfonamide compounds and their use as herbicides Chemistry; Metallurgy 3 Expired
US8058279B2 Insecticidal pyrimidinyl aryl hyrdrazones Chemistry; Metallurgy 2 Active
US8937083B2 Pesticidal compositions and processes related thereto Chemistry; Metallurgy 2 Active
US9210931B2 Pesticidal compositions and processes related thereto Chemistry; Metallurgy 1 Active
US8916578B2 Pesticidal pyrimidine compounds Human Necessities 1 Active
US5494887A Ring annulated 5-alkoxy-n-aryl[1,2,4]triazolo[1,5-C]-pyrimidine-2-sulfonamide herbicides Chemistry; Metallurgy 1 Expired

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