John F. Derrick
6Patents
4h-index
2Co-inventors
39Inventor score
Filing activity: Oct 3, 1988 → Oct 17, 1994
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5215298A | Orbiting nip sheet output with faceup or facedown stacking and integral gate | Performing Operations; Transporting | 24 | Expired |
| US4901117A | Sheet feeder for second pass copy substrate | Performing Operations; Transporting | 15 | Expired |
| US5258775A | Motion correction through image enhancement | Electricity | 10 | Expired |
| US5349428A | Cleaning apparatus for the reduction of blade tuck in removal of spot-causing agglomerate particles | Physics | 7 | Expired |
| US5263703A | Orbiting nip control for increasing sheet stacking capacity | Performing Operations; Transporting | 4 | Expired |
| US5854653A | Motion quality enhancement with white noise | Physics | 3 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.