Inventor · Ramsbottom, GB

Mark Holbrook

25Patents
9h-index
28Co-inventors
75Inventor score

Filing activity: Dec 29, 1976 → May 7, 2015

Most-cited inventions

PatentTitleAreaCited byStatus
US4106086A Voltage multiplier circuit Electricity 69 Expired
US4791557A Apparatus and method for monitoring and controlling the prefetching of instructions by an information processing system Physics 40 Expired
US6344497B1 Aqueous ink compositions Chemistry; Metallurgy 19 Expired
US5876491A Ink jet printing ink Chemistry; Metallurgy 16 Expired
US6331204A Printing ink composition Physics 14 Expired
US6406526B1 Pyridonazo dyes and inks containing them Chemistry; Metallurgy 11 Expired
US6235096A Aqueous ink compositions Chemistry; Metallurgy 11 Expired
US5972544A Printing process Physics 10 Expired
US5494511A Dispersion Chemistry; Metallurgy 9 Expired
US4352031A Precharge circuit Electricity 9 Expired
US6133366A Compound, preparation and use Chemistry; Metallurgy 8 Expired
US6051627A Phosphate esters of polyalkylene ether block copolymers and their use as dispersants Chemistry; Metallurgy 6 Expired
US6767394B2 Dye composition Emerging Cross-Sectional Technologies 5 Expired
US6932466B2 Ink-jet printing process Performing Operations; Transporting 5 Expired
US6200371A Aqueous ink compositions Chemistry; Metallurgy 5 Expired
US9267044B2 Process, dispersions and use Chemistry; Metallurgy 4 Active
US6187084A Ink compositions Chemistry; Metallurgy 4 Expired
US6028180A Ink compositions Chemistry; Metallurgy 3 Expired
US6933329B1 Composition based on water-dissipatable polyurethane Chemistry; Metallurgy 3 Expired
US6303763A Pyridonazo dyes and inks containing them Chemistry; Metallurgy 2 Expired
US9040620B2 Process, dispersions and use Chemistry; Metallurgy 2 Active
US9127184B2 Polymeric dispersants, dispersions, processes for preparing dispersions and the use of polymeric dispersants Chemistry; Metallurgy 0 Active
US6461416B1 1,3,4,-thiadiazolylazo dyes and ink compositions containing the same Chemistry; Metallurgy 0 Expired
US7314274B2 Compositions and processes Performing Operations; Transporting 0 Expired
US7427320B2 Ink compositions containing ethylene glycol monobutyl ether Chemistry; Metallurgy 0 Active

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