Daniel O. Roll
3Patents
3h-index
10Co-inventors
43Inventor score
Filing activity: Dec 26, 1989 → Mar 28, 1996
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5010355A | Ink jet printhead having ionic passivation of electrical circuitry | Electricity | 40 | Expired |
| US5448273A | Thermal ink jet printhead protective layers | Emerging Cross-Sectional Technologies | 16 | Expired |
| US5729261A | Thermal ink jet printhead with improved ink resistance | Performing Operations; Transporting | 9 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.