James P. Shields
44Patents
16h-index
32Co-inventors
81Inventor score
Filing activity: Aug 28, 1991 → Jan 13, 2021
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7226647B2 | Permanent fixation of dyes to surface-modified inorganic particulate-coated media | Performing Operations; Transporting | 148 | Expired |
| US5428383A | Method and apparatus for preventing color bleed in a multi-ink printing system | Performing Operations; Transporting | 109 | Expired |
| US5476540A | Gel-forming inks for use in the alleviation of bleed | Performing Operations; Transporting | 97 | Expired |
| US5106416A | Bleed alleviation using zwitterionic surfactants and cationic dyes | Chemistry; Metallurgy | 76 | Expired |
| US5181045A | Bleed alleviation using pH-sensitive dyes | Performing Operations; Transporting | 68 | Expired |
| US5320668A | Bleed alleviation using pH-sensitive agents | Performing Operations; Transporting | 68 | Expired |
| US5536306A | Thermal ink-jet inks having reduced black to color and color to color bleed | Chemistry; Metallurgy | 66 | Expired |
| US5626655A | Use of co-surfactants to adjust properties of ink-jet inks | Chemistry; Metallurgy | 59 | Expired |
| US5488402A | Method and apparatus for preventing color bleed in a multi-ink printing system | Performing Operations; Transporting | 55 | Expired |
| US5785743A | Bleed alleviation in ink-jet inks using organic acids | Chemistry; Metallurgy | 49 | Expired |
| US5531817A | Use of high viscosity, meltable gel inks for controlling bleed | Chemistry; Metallurgy | 42 | Expired |
| US6234541A | U-bolt clamp for sealing lap joints | Emerging Cross-Sectional Technologies | 23 | Expired |
| USD436028S | U-bolt clamp | General | 23 | Expired |
| US6086198A | Bleed alleviation between two inks | Chemistry; Metallurgy | 20 | Expired |
| US6139139A | Color inkjet printer with pens containing reactive inks | Performing Operations; Transporting | 20 | Expired |
| US6305054A | Exhaust system clamp | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5880752A | Print system for ink-jet pens | Performing Operations; Transporting | 11 | Expired |
| US6860527B2 | Strap clamp | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6783819B2 | Crown compound modified silica coatings for ink-jet media | Emerging Cross-Sectional Technologies | 6 | Expired |
| US7449217B2 | Chemically-bonded porous coatings that enhance humid fastness and fade fastness performance of ink jet images | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9963607B2 | Non-Newtonian inkjet inks | Chemistry; Metallurgy | 4 | Active |
| US8770736B2 | Inkjet ink composition containing anti-kogation agents | Chemistry; Metallurgy | 3 | Active |
| USD451790S | Bent bolt clamp | General | 3 | Expired |
| US7427129B2 | Boronic acid containing dyes to improve permanence of images | Chemistry; Metallurgy | 1 | Expired |
| US7868059B2 | Polymerizable dye-monomer conjugates for encapsulating pigment particles | Chemistry; Metallurgy | 1 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.