Yee S. Ng
113Patents
26h-index
64Co-inventors
93Inventor score
Filing activity: Mar 3, 1983 → Oct 22, 2010
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5699102A | Non-impact copier/printer system communicating rosterized, printer independant data | Electricity | 124 | Expired |
| US5185661A | Input scanner color mapping and input/output color gamut transformation | Electricity | 96 | Expired |
| US6608641B1 | Electrophotographic apparatus and method for using textured receivers | Physics | 80 | Expired |
| US5234783A | Method of selectively glossing toner images | Physics | 70 | Expired |
| US4750010A | Circuit for generating center pulse width modulated waveforms and non-impact printer using same | Electricity | 59 | Expired |
| US4686163A | Electrophotographic color imaging method | Physics | 58 | Expired |
| US5138465A | Method and apparatus for highlighting nested information areas for selective editing | Electricity | 53 | Expired |
| US5546165A | Scanner as test print densitometer for compensating overall process drift and nonuniformity | Physics | 51 | Expired |
| US6088050A | Non-impact recording apparatus operable under variable recording conditions | Electricity | 49 | Expired |
| US4746941A | Dot printer with token bit selection of data latching | Electricity | 48 | Expired |
| US4600669A | Electrophotographic color proofing element and method for using the same | Physics | 45 | Expired |
| US7139521B2 | Gloss and differential gloss control methodology | Physics | 42 | Expired |
| US6021256A | Resolution enhancement system for digital images | Physics | 37 | Expired |
| US7079287B1 | Edge enhancement of gray level images | Electricity | 36 | Expired |
| US7079281B1 | Edge enhancement processor and method with adjustable threshold setting | Electricity | 35 | Expired |
| US4875057A | Modular optical printhead for hard copy printers | Performing Operations; Transporting | 35 | Expired |
| US5253934A | L.E.D. array printer with extra driver channel | Performing Operations; Transporting | 34 | Expired |
| US5125072A | Efficient data storage system for gray-scale printers | Physics | 34 | Expired |
| US5050000A | Error diffusion of subcells in digital halftoning | Electricity | 33 | Expired |
| US5025322A | Method and apparatus for grey level recording using multiple addressability | Physics | 32 | Expired |
| US4831395A | Printer apparatus | Physics | 31 | Expired |
| US5177500A | LED array printhead with thermally coupled arrays | Performing Operations; Transporting | 28 | Expired |
| US5087981A | Error diffusion of overlapping dots | Electricity | 28 | Expired |
| US5604527A | Dot printer and method for grey level recording with different bit-depth dimensions | Electricity | 28 | Expired |
| US5523591A | Assembly of led array and lens with engineered light output profile and method for making the assembly | Electricity | 28 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.