Inventor · Bracknell, GB

Stephen Robert Schofield

19Patents
4h-index
46Co-inventors
56Inventor score

Filing activity: Feb 24, 2000 → Jan 23, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US6544500B1 Hair care compositions Human Necessities 16 Expired
US7300647B1 Hair care compositions Human Necessities 14 Expired
US8632611B2 Hair colouring methods and compositions thereof Human Necessities 12 Active
US8608810B2 Hair colorant compositions comprising 3-amino-2,6-dimethylphenol and 1,4-phenylenediamine-type developers, methods, and kits comprising the compositions Human Necessities 4 Active
US8663341B2 Hair colorant compositions comprising 2-Methoxymethy1-1,4-diaminobenzene, methods, and kits comprising the compositions Human Necessities 3 Active
US8663340B2 Hair colorant compositions comprising 2-methoxymethyl-1,4-diaminobenzene and 2,6-dihydroxyethylaminotoluene, methods, and kits comprising the compositions Human Necessities 3 Active
US10336966B2 Fragrance compositions and uses thereof Mechanical Engineering; Lighting; Heating 3 Active
US8709100B2 Hair colorant compositions comprising 2-methoxymethyl-1,4-diaminobenzene and 5-amino-4-chloro-o-cresol, methods, and kits comprising the compositions Human Necessities 2 Active
US10138441B2 Fragrance compositions and uses thereof Mechanical Engineering; Lighting; Heating 2 Active
US8702814B2 Hair colorant compositions comprising 2-methoxymethyl-1,4-diaminobenzene and 2,6-diaminopyridine, methods, and kits comprising the compositions Human Necessities 2 Active
US10501706B2 Fragrance compositions and uses thereof Human Necessities 1 Active
US9339666B2 Hair colouring methods and kits thereof Human Necessities 1 Active
US9345658B2 Hair colouring method Human Necessities 1 Active
US11000709B2 Hair treatment method and kit thereof Human Necessities 0 Active
US11052035B2 Hair treatment method and kit thereof Human Necessities 0 Active
US8617256B2 Hair colorant compositions comprising 3-amino-2,6-dimethylphenol and 4-aminophenol-type developers, methods, and kits comprising the compositions Human Necessities 0 Active
US11497940B2 Hair treatment method and kit thereof Human Necessities 0 Active
US10688033B2 Hair colouration formulation Human Necessities 0 Active
US11007130B2 Hair treatment method and kit thereof Human Necessities 0 Active

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