Robert R. Schaffer
12Patents
9h-index
16Co-inventors
65Inventor score
Filing activity: Mar 19, 1980 → Oct 20, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4751528A | Platen arrangement for hot melt ink jet apparatus | Performing Operations; Transporting | 130 | Expired |
| US4835554A | Ink jet array | Performing Operations; Transporting | 48 | Expired |
| US4891654A | Ink jet array | Performing Operations; Transporting | 38 | Expired |
| US5075689A | Bidirectional hot melt ink jet printing | Electricity | 35 | Expired |
| US4849795A | Sheet transport | Physics | 25 | Expired |
| US5120339A | Method for fabricating a low thermal expansion coefficient glass fiber-reinforced polymer matrix composite substrate and composite substrate | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4801473A | Method for preparing a hot melt ink transparency | Performing Operations; Transporting | 18 | Expired |
| US4971408A | Remelting of printed hot melt ink images | Physics | 15 | Expired |
| US5467180A | High air flow low pressure prefuser transport | Performing Operations; Transporting | 13 | Expired |
| US4877676A | Hot melt ink transparency | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4326814A | Document printing device having a platen with character segments thereon | Performing Operations; Transporting | 4 | Expired |
| US5337079A | Post-processing of colored hot melt ink images | Performing Operations; Transporting | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.