Inventor · disambiguated record
Kok Chen
Also filed as: CHEN KOK · CHEN KOK S
38 granted patents·1 pending application·1,257 citations·filing 1991–2011
98Inventor score
Top patents by PatentIndex Score
39 records- 0196US6954193B1Method and apparatus for correcting pixel level intensity variationAPPLE COMPUTER·Filed 2000·Granted Oct 11, 2005·123 cites·49 claims
- 0295US6268859B1Method and system for rendering overlapping opaque graphical objects in graphic imaging systemsAPPLE COMPUTER·Filed 1995·Granted Jul 31, 2001·239 cites·11 claims
- 0393US6844881B1Method and apparatus for improved color correctionAPPLE COMPUTER·Filed 2002·Granted Jan 18, 2005·56 cites·67 claims
- 0489US7969478B1Method and apparatus for color correction of color devices for various operating conditionsAPPLE INC·Filed 2003·Granted Jun 28, 2011·35 cites·60 claims
- 0589US7084881B1Method and apparatus for improved color correctionAPPLE COMPUTER·Filed 2003·Granted Aug 1, 2006·39 cites·9 claims
- 0688US8452090B1Bayer reconstruction of images using a GPUBRUNNER RALPH·Filed 2005·Granted May 28, 2013·12 cites·15 claims
- 0788US7688328B2Luminance point correction without luminance degradationAPPLE INC·Filed 2005·Granted Mar 30, 2010·7 cites·48 claims
- 0886US5805735AMethod and apparatus for compression of digitized image data using variable color fidelityAPPLE COMPUTER·Filed 1997·Granted Sep 8, 1998·102 cites·22 claims
- 0982US5917962AMethod and apparatus for partitioning an imageAPPLE COMPUTER·Filed 1995·Granted Jun 29, 1999·86 cites·20 claims
- 1081US6020975ASystem and method for accelerated data recompressionAPPLE COMPUTER·Filed 1996·Granted Feb 1, 2000·79 cites·11 claims
- 1180US5724450AMethod and system for color image compression in conjunction with color transformation techniquesAPPLE COMPUTER·Filed 1994·Granted Mar 3, 1998·51 cites·20 claims
- 1276US5930387AMethod and apparatus for encoding color image data using dynamic color matchingAPPLE COMPUTER·Filed 1997·Granted Jul 27, 1999·52 cites·19 claims
- 1376US5768481AMethod and apparatus for compression of digitized image data using a dynamic band recompression schemeAPPLE COMPUTER·Filed 1995·Granted Jun 16, 1998·53 cites·18 claims
- 1475US6972772B1White point correction without luminance degradationAPPLE COMPUTER·Filed 2003·Granted Dec 6, 2005·12 cites·27 claims
- 1574US6115496AMethod and apparatus for accelerating image data compressionAPPLE COMPUTER·Filed 1998·Granted Sep 5, 2000·58 cites·9 claims
- 1668US7397964B2Gaussian blur approximation suitable for GPUAPPLE INC·Filed 2004·Granted Jul 8, 2008·13 cites·31 claims
- 1763US8587603B2Method and apparatus for improved color correctionCHEN KOK·Filed 2006·Granted Nov 19, 2013·3 cites·24 claims
- 1863US7574041B2Conversion of output device color values to minimize image quality artifactsAPPLE INC·Filed 2007·Granted Aug 11, 2009·2 cites·19 claims
- 1963US5276531AMethod and apparatus for high definition imagingAPPLE COMPUTER·Filed 1991·Granted Jan 4, 1994·22 cites·21 claims
- 2059US7460277B2System and method for halftoning using a time-variable halftone patternAPPLE INC·Filed 2007·Granted Dec 2, 2008·0 cites·20 claims
- 2158US6118898AMethods and apparatus for compressing and decompressing multiple data sets and for managing memory storage of compressed data setsAPPLE COMPUTER·Filed 1997·Granted Sep 12, 2000·24 cites·52 claims
- 2257US7456843B2Method and apparatus for improved color correctionAPPLE INC·Filed 2004·Granted Nov 25, 2008·4 cites·8 claims
- 2357US5270837AMethod and apparatus for enabling intelligent post-processing of differing data typesAPPLE COMPUTER·Filed 1991·Granted Dec 14, 1993·17 cites·13 claims
- 2456US5678033AMulti-stage interpolation processorFiled 1995·Granted Oct 14, 1997·29 cites·11 claims
- 2554US5859958ACompact representation of object slices for rendering raster graphicsAPPLE COMPUTER·Filed 1995·Granted Jan 12, 1999·24 cites·17 claims
- 2654US5754309ATone correction for multi-level halftoned imagesAPPLE COMPUTER·Filed 1995·Granted May 19, 1998·18 cites·20 claims
- 2750US6571011B1Conversion of output device color values to minimize image quality artifactsAPPLE COMPUTER·Filed 1995·Granted May 27, 2003·15 cites·20 claims
- 2849US7460129B2Manipulating text and graphic appearanceAPPLE INC·Filed 2007·Granted Dec 2, 2008·0 cites·24 claims
- 2949US7274817B2Conversion of output device color values to minimize image quality artifactsAPPLE INC·Filed 2003·Granted Sep 25, 2007·2 cites·36 claims
- 3049US7227551B2Manipulating text and graphic appearanceAPPLE INC·Filed 2004·Granted Jun 5, 2007·2 cites·99 claims
- 3149US5777757AMethod and system for halftoningAPPLE COMPUTER·Filed 1995·Granted Jul 7, 1998·13 cites·33 claims
- 3248US5390263AMethod and apparatus for context sensitive post processing to select an appropriate modulation pattern for a pixel based upon neighboring pixelsAPPLE COMPUTER·Filed 1994·Granted Feb 14, 1995·11 cites·18 claims
- 3347US6141121AMethod and apparatus for color halftoningAPPLE COMPUTER·Filed 1997·Granted Oct 31, 2000·16 cites·10 claims
- 3446US2011249141A1Method and apparatus for color correction of color devices for various operating conditionsCHEN KOK·Filed 2011·Application pending·0 cites
- 3541US5761347AMethod and system for halftoning by tiling subsets of a threshold array over portions of an imageAPPLE COMPUTER·Filed 1996·Granted Jun 2, 1998·8 cites·18 claims
- 3640US5664082AMethod and apparatus for arbitrary transformation of imagesAPPLE COMPUTER·Filed 1995·Granted Sep 2, 1997·12 cites·19 claims
- 3738US6028962ASystem and method for variable encoding based on image contentAPPLE COMPUTER·Filed 1996·Granted Feb 22, 2000·11 cites·37 claims
- 3836US7187474B1System and method for halftoning using a time-variable halftone patternAPPLE COMPUTER·Filed 1999·Granted Mar 6, 2007·4 cites·33 claims
- 3931US5903675ASystem and method for compressing data using a dynamically changing compression windowAPPLE COMPUTER·Filed 1996·Granted May 11, 1999·3 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →