Inventor · Rochester, NY, US

Richard C. VanHanehem

14Patents
5h-index
17Co-inventors
55Inventor score

Filing activity: Dec 16, 1993 → Dec 28, 2000

Most-cited inventions

PatentTitleAreaCited byStatus
US6210474A Process for preparing an ink jet ink Chemistry; Metallurgy 55 Expired
US6631983B2 Ink recirculation system for ink jet printers Performing Operations; Transporting 24 Expired
US6132501A Co-milled pigments in ink jet ink Chemistry; Metallurgy 11 Expired
US5804531A Thermal dye transfer system with polyester ionomer receiver Emerging Cross-Sectional Technologies 6 Expired
US5928990A Assemblage for thermal dye transfer Emerging Cross-Sectional Technologies 6 Expired
US5789343A Assemblage for thermal dye transfer Emerging Cross-Sectional Technologies 3 Expired
US6136081A Ink jet printing method Chemistry; Metallurgy 2 Expired
US5753590A Thermal dye transfer assemblage with low Tg polymeric receiver mixture Emerging Cross-Sectional Technologies 2 Expired
US6180561A Complexing agent for thermal color proofing Emerging Cross-Sectional Technologies 0 Expired
US5945374A Thermal dye transfer system with receiver containing acidic salts Emerging Cross-Sectional Technologies 0 Expired
US5733846A Thermal dye transfer assemblage with low Tg polymeric receiver mixture Emerging Cross-Sectional Technologies 0 Expired
US5340790A Mixture of indoaniline dyes in dye-donor element for thermal dye transfer Emerging Cross-Sectional Technologies 0 Expired
US6194349A Complexing agent for thermal color proofing Emerging Cross-Sectional Technologies 0 Expired
US6187714A Complexing agent for thermal color proofing Emerging Cross-Sectional Technologies 0 Expired

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