Joseph E. Guth
27Patents
10h-index
20Co-inventors
71Inventor score
Filing activity: Jan 3, 1992 → Jul 31, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5255057A | Gray scale monocomponent nonmagnetic development system | Physics | 58 | Expired |
| US5376492A | Method and apparatus for developing an electrostatic image using a two component developer | Physics | 27 | Expired |
| US7426361B2 | Developer mixing apparatus having four ribbon blenders | Physics | 16 | Active |
| US6728503B2 | Electrophotographic image developing process with optimized average developer bulk velocity | Physics | 15 | Expired |
| US5985499A | Method and apparatus for forming two toner images in a single frame | Physics | 15 | Expired |
| US7481884B2 | Powder coating apparatus and method of powder coating using an electromagnetic brush | Physics | 15 | Expired |
| US5394230A | Method and apparatus for forming a composite dry toner image | Physics | 13 | Expired |
| US5183964A | Toner charge control | Physics | 13 | Expired |
| US6526247B2 | Electrostatic image developing process with optimized setpoints | Physics | 11 | Expired |
| US5506372A | Development station having a particle removing device | Physics | 11 | Expired |
| US6885833B2 | Reduction of banding and mottle in electrophotographic systems | Physics | 7 | Expired |
| US6775505B2 | Electrostatic image developing process with optimized setpoints | Physics | 6 | Expired |
| US7561833B2 | Electrographic distributed replenishment apparatus and method | Physics | 5 | Active |
| US5426487A | Image forming apparatus having bimodal charging means | Physics | 5 | Expired |
| US6959162B2 | Electrographic image developing apparatus and process | Physics | 5 | Expired |
| US5748218A | Method for forming toner images with two distinct toners | Physics | 5 | Expired |
| US5506668A | Image forming apparatus having toner removing device | Physics | 4 | Expired |
| US7792467B2 | Dual channel apparatus for transporting powder in an electrostatographic printer | Physics | 4 | Active |
| US7672623B2 | Electrographic distributed replenishment apparatus and method | Physics | 3 | Active |
| US7517076B2 | Phase-change ink jet printing with electrostatic transfer | Performing Operations; Transporting | 2 | Expired |
| US6946230B2 | Electrostatic image developing processes and compositions | Physics | 2 | Expired |
| US6873805B2 | Toner replenishment based on writer current | Physics | 2 | Expired |
| US8290409B2 | Developer station for an electrographic printer having reduced developer agitation | Physics | 1 | Active |
| US8204411B2 | Electrographic image developing apparatus and method for developing including compensation for slippage | Physics | 0 | Active |
| US6532350B1 | Method and system for increasing flash rate in a document reproduction system | Physics | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.