Inventor · San Diego, CA, US

Loren E. Johnson

17Patents
14h-index
38Co-inventors
78Inventor score

Filing activity: Feb 11, 1986 → Apr 27, 2007

Most-cited inventions

PatentTitleAreaCited byStatus
US5356464A Aqueous ink compositions containing anti-curl agents Chemistry; Metallurgy 147 Expired
US4853037A Low glycol inks for plain paper printing Chemistry; Metallurgy 113 Expired
US5401303A Aqueous inks having improved halo characteristics Chemistry; Metallurgy 94 Expired
US5536306A Thermal ink-jet inks having reduced black to color and color to color bleed Chemistry; Metallurgy 66 Expired
US5555008A Process for alleviating bleed in printed elements Performing Operations; Transporting 65 Expired
US5626655A Use of co-surfactants to adjust properties of ink-jet inks Chemistry; Metallurgy 59 Expired
US6924054B2 Fuel supply for a fuel cell Emerging Cross-Sectional Technologies 53 Expired
US5108504A High chroma color dye-set for use in ink-jet inks employing polysaccharide-containing vehicles Chemistry; Metallurgy 46 Expired
US4670059A Increased solubility of carbon black Emerging Cross-Sectional Technologies 40 Expired
US4786327A Dye preparation for thermal ink-jet printheads using ion exchange Chemistry; Metallurgy 35 Expired
US6808833B2 Fuel supply for a fuel cell Emerging Cross-Sectional Technologies 30 Expired
US5165968A Ink composition having rapid dry time and high print quality for plain paper printing Chemistry; Metallurgy 24 Expired
US4836851A Dyes containing polyhydroxyl groups for ink-jet printing inks Chemistry; Metallurgy 22 Expired
US5801738A Process for alleviating bleed and improving color in printed elements Performing Operations; Transporting 16 Expired
US7270407B2 Methods for digitally printing on ceramics Chemistry; Metallurgy 2 Expired
US5609674A Mitigation of dye crystallization in images on transparencies and glossy media Chemistry; Metallurgy 1 Expired
US7959245B2 Device and method for measuring ink levels in a container Physics 0 Active

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