Jeffrey J. Folkins
157Patents
20h-index
120Co-inventors
93Inventor score
Filing activity: Jun 28, 1982 → Nov 16, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5909235A | Wide area beam sensor method and apparatus for image registration calibration in a color printer | Physics | 54 | Expired |
| US4614165A | Extended life development system | Physics | 45 | Expired |
| US4984019A | Electrode wire cleaning | Physics | 44 | Expired |
| US9327519B1 | Sacrificial coating and indirect printing apparatus employing sacrificial coating on intermediate transfer member | Performing Operations; Transporting | 43 | Active |
| US7300133B1 | Systems and methods for print head defect detection and print head maintenance | Performing Operations; Transporting | 42 | Active |
| US5574527A | Multiple use of a sensor in a printing machine | Physics | 41 | Expired |
| US8256857B2 | System and method for compensating for small ink drop size in an indirect printing system | Performing Operations; Transporting | 39 | Active |
| US8162428B2 | System and method for compensating runout errors in a moving web printing system | Performing Operations; Transporting | 36 | Active |
| US5032872A | Developing device with dual donor rollers including electrically biased electrodes for each donor roller | Physics | 29 | Expired |
| US5245392A | Donor roll for scavengeless development in a xerographic apparatus | Physics | 29 | Expired |
| US5394223A | Apparatus for image registration | Physics | 29 | Expired |
| US5339150A | Mark detection circuit for an electrographic printing machine | Electricity | 28 | Expired |
| US5177529A | Machine with removable unit having two element electrical connection | Physics | 27 | Expired |
| US7665817B2 | Double reflex printing | Physics | 23 | Active |
| US5537190A | Method and apparatus to improve registration in a black first printing machine | Physics | 23 | Expired |
| US5839016A | Fused image sensing | Physics | 22 | Expired |
| US8350879B2 | Non-contact heating of solid ink prints after ink fixing | Performing Operations; Transporting | 22 | Active |
| US7857414B2 | Printhead registration correction system and method for use with direct marking continuous web printers | Performing Operations; Transporting | 22 | Active |
| US5063875A | Development apparatus having a transport roll rotating at least twice the surface velocity of a donor roll | Physics | 21 | Expired |
| US5826150A | Integrated multi-toner dispensing system | Physics | 21 | Expired |
| US5034775A | Triboelectric charge measurement | Physics | 20 | Expired |
| US7021732B2 | Printer jet detection method and apparatus | Performing Operations; Transporting | 20 | Expired |
| US5153647A | Development system having tensioned electrode wires | Physics | 20 | Expired |
| US5307119A | Method and apparatus for monitoring and controlling a toner image formation process | Physics | 19 | Expired |
| US7338144B2 | Ink jet printer having print head with partial nozzle redundancy | Performing Operations; Transporting | 19 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.