Peter A. Torpey
21Patents
12h-index
24Co-inventors
81Inventor score
Filing activity: Apr 24, 1981 → May 1, 2008
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4638337A | Thermal ink jet printhead | Performing Operations; Transporting | 145 | Expired |
| US4384296A | Linear ink jet deflection method and apparatus | Performing Operations; Transporting | 74 | Expired |
| US5568169A | Method and apparatus using two different black inks to reduce intercolor bleeding and provide high quality edge definition with thermal ink jet systems | Physics | 73 | Expired |
| US5801727A | Apparatus and method for printing device | Performing Operations; Transporting | 35 | Expired |
| US6757071B1 | Intelligent printer driver and user interface and method to recommend and/or automatically modify a document for printing, and a method therefore | Electricity | 30 | Expired |
| US6753976B1 | Adaptive pixel management using object type identification | Electricity | 26 | Expired |
| US6290330A | Maintaining black edge quality in liquid ink printing | Physics | 26 | Expired |
| US6183062A | Maintaining black edge quality in liquid ink printing | Physics | 18 | Expired |
| US5731827A | Liquid ink printer having apparent 1XN addressability | Performing Operations; Transporting | 17 | Expired |
| US6361144B1 | Reduction of intercolor or bleeding in liquid ink printing | Physics | 16 | Expired |
| US6270186A | Reduction of intercolor bleeding in liquid ink printing | Physics | 15 | Expired |
| US4835553A | Thermal ink jet printhead with increased drop generation rate | Performing Operations; Transporting | 13 | Expired |
| US6938977B2 | Method for improved characterization of single-pass bi-directional printers | Physics | 11 | Expired |
| US6179403A | Document dependent maintenance procedure for ink jet printer | Performing Operations; Transporting | 10 | Expired |
| US5933166A | Ink-jet printhead allowing selectable droplet size | Performing Operations; Transporting | 10 | Expired |
| US6343847B1 | Identification of interfaces between black and color regions | Physics | 7 | Expired |
| US6039436A | Thermal ink-jet printhead with lateral thermal insulation for the heating elements | Performing Operations; Transporting | 5 | Expired |
| US7524006B2 | Fluid ejector including a drop size symbol, a method of disposing a drop size symbol in a fluid ejector, and an image forming device including a marking fluid ejector with a drop size symbol | Performing Operations; Transporting | 5 | Active |
| US7427115B2 | Fluid ejector including a drop size symbol, a method of disposing a drop size symbol in a fluid ejector, and an image forming device including a marking fluid ejector with a drop size symbol | Performing Operations; Transporting | 1 | Expired |
| US7669948B2 | Fluid ejector including a drop size symbol, a method of disposing a drop size symbol in a fluid ejector, and an image forming device including a marking fluid ejector with a drop size symbol | Performing Operations; Transporting | 0 | Active |
| US7258410B2 | Method and apparatus for reducing intercolor bleed to improve print quality | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.