Inventor · Bishop's Stortford, GB

Mark P. Kirk

17Patents
7h-index
27Co-inventors
62Inventor score

Filing activity: Apr 27, 1990 → Feb 3, 2004

Most-cited inventions

PatentTitleAreaCited byStatus
US5135842A Thermal dye bleach construction Emerging Cross-Sectional Technologies 33 Expired
US5314795A Thermal-dye-bleach construction comprising a polymethine dye and a thermal carbanion-generating agent Emerging Cross-Sectional Technologies 27 Expired
US5374514A Photothermographic materials Physics 18 Expired
US5266452A Photographic element containing a thermal dye bleach system Emerging Cross-Sectional Technologies 16 Expired
US5460938A Photothermographic materials Physics 16 Expired
US5468599A Silver halide photographic material with reduced fog and improved residual stain Emerging Cross-Sectional Technologies 12 Expired
US5594143A Photothermographic materials Physics 8 Expired
US5324627A Tetra-alkylammonium phenylsulfonylacetate thermal-dye-bleach agents Emerging Cross-Sectional Technologies 6 Expired
US5939248A Photothermographic imaging materials and antifoggants therefor Physics 5 Expired
US5667953A Silver halide photographic material comprising mercaptotetrazole compound(s) Physics 5 Expired
US5340712A Antifoggants for photothermographic articles Physics 5 Expired
US5245045A Near infrared antihalation dyes Chemistry; Metallurgy 2 Expired
US7015493B2 Regional image processing default parameters Physics 2 Expired
US5384237A Quaternary-ammonium phenylsulfonylacetate thermal-dye-bleach agents Emerging Cross-Sectional Technologies 2 Expired
US5432287A Photothermographic materials Physics 1 Expired
US5607827A Silver halide photographic material comprising pyridinium carbamoyl hardeners Physics 1 Expired
US6045986A Formation and photographic use of solid particle dye dispersions Physics 0 Expired

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