Inventor · Grafton, GB

John Williams

11Patents
3h-index
33Co-inventors
60Inventor score

Filing activity: May 31, 1995 → Sep 18, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US5714481A Derivatives of 5-androsten-17 ones and 5-androstan-17-ones Chemistry; Metallurgy 17 Expired
US6544989B2 Benzazoles: benzoxazole, benzthiazole and benzimidazole derivatives Human Necessities 14 Expired
US5804576A Derivatives of 5-androsten-17-ones and 5-androstan-17-ones Chemistry; Metallurgy 11 Expired
US7112553B1 Pesticidal indazole or benzotriazole derivatives Chemistry; Metallurgy 1 Expired
US11678665B2 Pyrazine-4-carbamate or -urea derivatives as herbicides Chemistry; Metallurgy 0 Active
US11230538B2 Herbicides Human Necessities 0 Active
US6703347B2 Isothiazole derivatives and their use as pesticides Human Necessities 0 Expired
US5830890A Fungicidal acrylate derivatives Chemistry; Metallurgy 0 Expired
US11434221B2 Pyrazine-4-carbamate or -urea derivatives as herbicides Chemistry; Metallurgy 0 Active
US10986838B2 Herbicides Chemistry; Metallurgy 0 Active
US11229205B2 Herbicidally active pyridyl-/pyrimidyl-pyrazine derivatives Chemistry; Metallurgy 0 Active

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