Douglas E. Bugner
77Patents
19h-index
76Co-inventors
87Inventor score
Filing activity: Feb 18, 1986 → May 19, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5605750A | Microporous ink-jet recording elements | Emerging Cross-Sectional Technologies | 112 | Expired |
| US5219703A | Laser-induced thermal dye transfer with bleachable near-infrared absorbing sensitizers | Emerging Cross-Sectional Technologies | 83 | Expired |
| US5738716A | Color pigmented ink jet ink set | Chemistry; Metallurgy | 70 | Expired |
| US5166024A | Photoelectrographic imaging with near-infrared sensitizing pigments | Physics | 61 | Expired |
| US4684596A | Electrographic toner and developer composition containing quaternary ammonium salt charge-control agent | Physics | 57 | Expired |
| US6210474A | Process for preparing an ink jet ink | Chemistry; Metallurgy | 55 | Expired |
| US5614340A | Migration imaging, optionally with dyes or pigments to effect bleaching | Physics | 52 | Expired |
| US5611847A | Aqueous pigment dispersions containing sequestering agents for use as ink jet printing inks | Chemistry; Metallurgy | 46 | Expired |
| US6036808A | Low heat transfer material | Emerging Cross-Sectional Technologies | 37 | Expired |
| US4840864A | New electrostatographic toners and developers containing new charge-control agents | Physics | 36 | Expired |
| US9376582B1 | Printing on water-impermeable substrates with water-based inks | Performing Operations; Transporting | 32 | Active |
| US5679142A | Cyan ink jet pigment set | Chemistry; Metallurgy | 32 | Expired |
| US6109324A | Method and apparatus for preparing labelled digital disc | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5204198A | Photoelectrographic elements utilizing nonionic sulfonic acid photogenerators | Physics | 31 | Expired |
| US5679139A | Cyan and magenta pigment set | Chemistry; Metallurgy | 31 | Expired |
| US4834920A | New quaternary ammonium salts | Physics | 29 | Expired |
| US5679141A | Magenta ink jet pigment set | Chemistry; Metallurgy | 28 | Expired |
| US5324604A | Multi-active electrophotographic element and imaging process using free radicals as charge transport material | Physics | 20 | Expired |
| US5651813A | Preparation of ink jet inks with sodium N-methyl-N-oleoyl taurate | Chemistry; Metallurgy | 19 | Expired |
| US6140390A | Melt-fusible inkjet recording elements and inks with improved durability | Emerging Cross-Sectional Technologies | 18 | Expired |
| US4812381A | Electrostatographic toners and developers containing new charge-control agents | Physics | 17 | Expired |
| US6147139A | Inks containing heat fusible particles and method for use | Emerging Cross-Sectional Technologies | 17 | Expired |
| US5985017A | Potassium N-methyl-N-oleoyl taurate as a dispersant in pigmented ink jet inks | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5681677A | Photoconductive element having a barrier layer | Physics | 13 | Expired |
| US5051330A | Fluorinated onium salts as toner electrostatic transfer agents and charge control agents | Physics | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.