William M. Schwarz
35Patents
16h-index
31Co-inventors
81Inventor score
Filing activity: Jul 1, 1977 → Apr 28, 1999
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5006170A | Hot melt ink compositions | Chemistry; Metallurgy | 276 | Expired |
| US5122187A | Hot melt ink compositions | Chemistry; Metallurgy | 143 | Expired |
| US4840674A | Ink compositions | Chemistry; Metallurgy | 109 | Expired |
| US5643357A | Liquid crystalline ink compositions | Chemistry; Metallurgy | 86 | Expired |
| US5641346A | Ink jet ink compositions and recording processes | Chemistry; Metallurgy | 72 | Expired |
| US5019166A | Thermal ink jet compositions | Chemistry; Metallurgy | 54 | Expired |
| US5223026A | Ink jet compositions and processes | Chemistry; Metallurgy | 52 | Expired |
| US5563644A | Ink jet printing processes with microwave drying | Performing Operations; Transporting | 48 | Expired |
| US6048388A | Ink compositions containing ionic liquid solvents | Chemistry; Metallurgy | 38 | Expired |
| US5389133A | Ink compositions for ink jet printing | Chemistry; Metallurgy | 35 | Expired |
| US5207825A | Ink compositions for ink jet printing | Chemistry; Metallurgy | 31 | Expired |
| US5300143A | Ink compositions for ink jet printing | Chemistry; Metallurgy | 24 | Expired |
| US6054505A | Ink compositions with improved shelf stability | Chemistry; Metallurgy | 24 | Expired |
| US4102305A | Development system with electrical field generating means | Physics | 19 | Expired |
| US5543259A | Developer compositions | Emerging Cross-Sectional Technologies | 18 | Expired |
| US5242489A | Ink jet printing processes | Chemistry; Metallurgy | 17 | Expired |
| US5492559A | Liquid crystalline microemulsion ink compositions | Chemistry; Metallurgy | 16 | Expired |
| US5665150A | Dye and ink compositions | Chemistry; Metallurgy | 13 | Expired |
| US5413630A | Colorant and ink compositions | Chemistry; Metallurgy | 12 | Expired |
| US5976231A | Inks for ink jet printing | Chemistry; Metallurgy | 11 | Expired |
| US6200369A | Ink compositions | Chemistry; Metallurgy | 10 | Expired |
| US5882389A | Ink jet inks containing oxazolidinones | Chemistry; Metallurgy | 9 | Expired |
| US6005022A | Ink compositions containing cationic amido amine polymers | Chemistry; Metallurgy | 8 | Expired |
| US6176911A | Ink compositions | Chemistry; Metallurgy | 7 | Expired |
| US6156111A | Ink compositions | Chemistry; Metallurgy | 7 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.