Kok Chen

Person

Palo Alto, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for improved color correction
- Patent number 8,587,603
- Issue date Nov 19, 2013
- Apple Inc.
- Kok Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Bayer reconstruction of images using a GPU
- Patent number 8,452,090
- Issue date May 28, 2013
- Apple Inc.
- Ralph Brunner
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for color correction of color devices for vari...
- Patent number 7,969,478
- Issue date Jun 28, 2011
- Apple Inc.
- Kok Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Luminance point correction without luminance degradation
- Patent number 7,688,328
- Issue date Mar 30, 2010
- Apple Inc.
- Kok Chen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Conversion of output device color values to minimize image quality...
- Patent number 7,574,041
- Issue date Aug 11, 2009
- Apple Inc.
- Kevin W. Andresen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for halftoning using a time-variable halftone pat...
- Patent number 7,460,277
- Issue date Dec 2, 2008
- Apple Inc.
- Kok S. Chen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Manipulating text and graphic appearance
- Patent number 7,460,129
- Issue date Dec 2, 2008
- Apple Inc.
- Mark Zimmer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for improved color correction
- Patent number 7,456,843
- Issue date Nov 25, 2008
- Apple Inc.
- Kok Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Gaussian blur approximation suitable for GPU
- Patent number 7,397,964
- Issue date Jul 8, 2008
- Apple Inc.
- Ralph Brunner
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Conversion of output device color values to minimize image quality...
- Patent number 7,274,817
- Issue date Sep 25, 2007
- Apple Inc.
- Kevin W. Andresen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Manipulating text and graphic appearance
- Patent number 7,227,551
- Issue date Jun 5, 2007
- Apple Inc.
- Mark Zimmer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for halftoning using a time-variable halftone pat...
- Patent number 7,187,474
- Issue date Mar 6, 2007
- Apple Computer, Inc.
- Kok S. Chen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for improved color correction
- Patent number 7,084,881
- Issue date Aug 1, 2006
- Apple Computer, Inc.
- Kok Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
White point correction without luminance degradation
- Patent number 6,972,772
- Issue date Dec 6, 2005
- Apple Computer, Inc.
- Kok Chen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for correcting pixel level intensity variation
- Patent number 6,954,193
- Issue date Oct 11, 2005
- Apple Computer, Inc.
- Jose Olav Andrade
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method and apparatus for improved color correction
- Patent number 6,844,881
- Issue date Jan 18, 2005
- Apple Computer, Inc.
- Kok Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Conversion of output device color values to minimize image quality...
- Patent number 6,571,011
- Issue date May 27, 2003
- Apple Computer, Inc.
- Kevin W. Andresen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for rendering overlapping opaque graphical object...
- Patent number 6,268,859
- Issue date Jul 31, 2001
- Apple Computer, Inc.
- Kevin W. Andresen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for color halftoning
- Patent number 6,141,121
- Issue date Oct 31, 2000
- Apple Computer, Inc.
- Kok S. Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Methods and apparatus for compressing and decompressing multiple da...
- Patent number 6,118,898
- Issue date Sep 12, 2000
- Apple Computer, Inc.
- Kok S. Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for accelerating image data compression
- Patent number 6,115,496
- Issue date Sep 5, 2000
- Apple Computer, Inc.
- Hungviet H. Nguyen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for variable encoding based on image content
- Patent number 6,028,962
- Issue date Feb 22, 2000
- Apple Computer, Inc.
- Stuart L. Claassen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for accelerated data recompression
- Patent number 6,020,975
- Issue date Feb 1, 2000
- Apple Computer, Inc.
- Kok S. Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for encoding color image data using dynamic co...
- Patent number 5,930,387
- Issue date Jul 27, 1999
- Apple Computer, Inc.
- Allen M. Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for partitioning an image
- Patent number 5,917,962
- Issue date Jun 29, 1999
- Apple Computer, Inc.
- Marilyn Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
System and method for compressing data using a dynamically changing...
- Patent number 5,903,675
- Issue date May 11, 1999
- Apple Computer, Inc.
- Riaz A. Moledina
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Compact representation of object slices for rendering raster graphics
- Patent number 5,859,958
- Issue date Jan 12, 1999
- Apple Computer, Inc.
- Thomas C. Chan
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and apparatus for compression of digitized image data using...
- Patent number 5,805,735
- Issue date Sep 8, 1998
- Apple Computer, Inc.
- Kok S. Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Grant
Method and system for halftoning
- Patent number 5,777,757
- Issue date Jul 7, 1998
- Apple Computer, Inc.
- Magnus L. Karlsson
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Method and apparatus for compression of digitized image data using...
- Patent number 5,768,481
- Issue date Jun 16, 1998
- Apple Computer, Inc.
- Allen M. Chan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Patents Applicationslast 30 patents

Information Patent Application
METHOD AND APPARATUS FOR COLOR CORRECTION OF COLOR DEVICES FOR VARI...
- Publication number 20110249141
- Publication date Oct 13, 2011
- Kok Chen
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Application
Conversion of output device color values to minimize image quality...
- Publication number 20080024805
- Publication date Jan 31, 2008
- Apple Inc.
- Kevin W. Andresen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
MANIPULATING TEXT AND GRAPHIC APPEARANCE
- Publication number 20070206028
- Publication date Sep 6, 2007
- Apple Inc.
- Mark Zimmer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
System and method for halftoning using a time-variable halftone pat...
- Publication number 20070121167
- Publication date May 31, 2007
- Kok S. Chen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Method and apparatus for improved color correction
- Publication number 20060250412
- Publication date Nov 9, 2006
- Kok Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Manipulating text and graphic appearance
- Publication number 20060139369
- Publication date Jun 29, 2006
- Apple Computer, Inc.
- Mark Zimmer
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Luminance point correction without luminance degradation
- Publication number 20060050080
- Publication date Mar 9, 2006
- Kok Chen
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Application
Gaussian blur approximation suitable for GPU
- Publication number 20050286794
- Publication date Dec 29, 2005
- Apple Computer, Inc.
- Ralph Brunner
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Method and apparatus for improved color correction
- Publication number 20050099429
- Publication date May 12, 2005
- Kok Chen
- G06 - COMPUTING CALCULATING COUNTING
Information Patent Application
Conversion of output device color values to minimize image quality...
- Publication number 20030189715
- Publication date Oct 9, 2003
- Kevin W. Andresen
- G06 - COMPUTING CALCULATING COUNTING

Person

Patents Grantslast 30 patents

Method and apparatus for improved color correction

Bayer reconstruction of images using a GPU

Method and apparatus for color correction of color devices for vari...

Luminance point correction without luminance degradation

Conversion of output device color values to minimize image quality...

System and method for halftoning using a time-variable halftone pat...

Manipulating text and graphic appearance

Method and apparatus for improved color correction

Gaussian blur approximation suitable for GPU

Conversion of output device color values to minimize image quality...

Manipulating text and graphic appearance

System and method for halftoning using a time-variable halftone pat...

Method and apparatus for improved color correction

White point correction without luminance degradation

Method and apparatus for correcting pixel level intensity variation

Method and apparatus for improved color correction

Conversion of output device color values to minimize image quality...

Method and system for rendering overlapping opaque graphical object...

Method and apparatus for color halftoning

Methods and apparatus for compressing and decompressing multiple da...

Method and apparatus for accelerating image data compression

System and method for variable encoding based on image content

System and method for accelerated data recompression

Method and apparatus for encoding color image data using dynamic co...

Method and apparatus for partitioning an image

System and method for compressing data using a dynamically changing...

Compact representation of object slices for rendering raster graphics

Method and apparatus for compression of digitized image data using...

Method and system for halftoning

Method and apparatus for compression of digitized image data using...

Patents Applicationslast 30 patents

METHOD AND APPARATUS FOR COLOR CORRECTION OF COLOR DEVICES FOR VARI...

Conversion of output device color values to minimize image quality...

MANIPULATING TEXT AND GRAPHIC APPEARANCE

System and method for halftoning using a time-variable halftone pat...

Method and apparatus for improved color correction

Manipulating text and graphic appearance

Luminance point correction without luminance degradation

Gaussian blur approximation suitable for GPU

Method and apparatus for improved color correction

Conversion of output device color values to minimize image quality...