John W. Huffman
27Patents
10h-index
26Co-inventors
75Inventor score
Filing activity: Oct 6, 1976 → Jan 18, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7362320B2 | Electronic device having a light emitting/detecting display screen | Electricity | 64 | Expired |
| US6389241B1 | Method and apparatus for hard copy control using automatic sensing devices | Physics | 39 | Expired |
| US4091249A | Pressure sensitive electrical switch having a snap element | Electricity | 30 | Expired |
| US6793128B2 | Face photo storage system | Electricity | 18 | Expired |
| US5483889A | Automatic media size detector | Performing Operations; Transporting | 15 | Expired |
| US5005322A | Inflatable tent structure | Fixed Constructions | 15 | Expired |
| US6163662A | Image forming devices, fusing assemblies, and methods of forming an image using control circuitry to control fusing operations | Physics | 11 | Expired |
| US5467178A | Pressure roller for reducing media curl and wave in electrophotographic printers | Physics | 10 | Expired |
| US5417413A | Uniform media tensioning of print media during transport in laser printer | Performing Operations; Transporting | 10 | Expired |
| USD528594S1 | Printing device | General | 10 | Expired |
| US6088547A | Automatic fuser temperature control | Physics | 9 | Expired |
| US7050206B2 | Document capture device | Electricity | 8 | Expired |
| US5825401A | Slide in formatter for image forming devices | Electricity | 7 | Expired |
| US4480289A | Electrical component supported on a support member by a ring mount | Electricity | 6 | Expired |
| US6712446B1 | Controlling printing in response to print media characteristics | Physics | 6 | Expired |
| US5394227A | Compliant hard fusing pressure roller for reducing media curl and wave in electrophotographic printers | Physics | 5 | Expired |
| US5495276A | Uniform media tensioning of print media during transport in laser printer | Physics | 5 | Expired |
| US6229968A | Method and apparatus for detecting image medium surface defects in an imaging system | Physics | 5 | Expired |
| US7385588B2 | Keyboard illumination system and method | Physics | 3 | Active |
| US7188923B2 | Controlling printing in response to print media characteristics | Physics | 2 | Expired |
| US6648324B2 | Method and system for automatically sensing the size of print medium in a printing device | Performing Operations; Transporting | 2 | Expired |
| US6810226B2 | Electrophotographic toner containment apparatus and methods | Physics | 2 | Expired |
| US6873811B2 | Printer imaging components protection apparatus and method | Physics | 2 | Expired |
| US7091427B2 | Apparatus using resonance of a cavity to determine mass of a load | Performing Operations; Transporting | 2 | Expired |
| US4684273A | Ribbon shield for impact printer and method for controlling ink flow therein | Performing Operations; Transporting | 1 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.