James J. Franzen
5Patents
3h-index
11Co-inventors
50Inventor score
Filing activity: Dec 24, 1985 → Dec 7, 2001
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4657370A | Belt support and tracking apparatus | Physics | 12 | Expired |
| US6162573A | Blended custom color toners and developers | Physics | 5 | Expired |
| US6774999B2 | Apparatus and method for characterizing the toner concentration in a developer of a printing device | Physics | 3 | Expired |
| US6510305B1 | Toner transport apparatus using flexible augers | Emerging Cross-Sectional Technologies | 2 | Expired |
| US6631250B2 | Developer filtration module | Physics | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.