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Joseph Shu
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San Jose, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Mosaic image data processing
Patent number
7,668,366
Issue date
Feb 23, 2010
Seiko Epson Corporation
Vasudev Bhaskaran
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Method and apparatus for video deblocking
Patent number
7,623,577
Issue date
Nov 24, 2009
Seiko Epson Corporation
Changick Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
3-Dimensional dot code for paper storage
Patent number
7,460,278
Issue date
Dec 2, 2008
Seiko Epson Corporation
Changick Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
PWM rendering for color/gray-scale text and graphics for laser printer
Patent number
7,265,876
Issue date
Sep 4, 2007
Seiko Epson Corporation
Jincheng Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Mixed screen design for multi-mode document
Patent number
7,212,315
Issue date
May 1, 2007
Seiko Epson Corporation
Jincheng Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Nozzle scheduling for ink jet printing
Patent number
7,032,987
Issue date
Apr 25, 2006
Seiko Epson Corporation
Anoop K. Bhattacharjya
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Grant
Method and apparatus for video deblocking
Patent number
7,031,392
Issue date
Apr 18, 2006
Seiko Epson Corporation
Changick Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Image artifact removal technique for LCP
Patent number
6,879,733
Issue date
Apr 12, 2005
Seiko Epson Corporation
Joseph Shu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Memory efficient image artifact removal technique for LCP
Patent number
6,879,734
Issue date
Apr 12, 2005
Seiko Epson Corporation
Jau-Yuen Chen
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Three dimensional stochastic screen for LCD and video
Patent number
6,842,184
Issue date
Jan 11, 2005
Seiko Epson Corporation
Jincheng Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color processing architecture and algorithms for color laser printers
Patent number
6,765,695
Issue date
Jul 20, 2004
Seiko Epson Corporation
Jau-Yuen Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Smoothness enhancement in laser printing through periodic modulatio...
Patent number
6,633,412
Issue date
Oct 14, 2003
Seiko Epson Corporation
Tsung-Nan Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color table manipulations for contour reduction
Patent number
6,522,427
Issue date
Feb 18, 2003
Seiko Epson Corporation
Anoop Bhattacharjya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Out-of-gamut color mapping strategy
Patent number
6,421,142
Issue date
Jul 16, 2002
Seiko Epson Corporation
Tsung-Nan Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Self-calibration of network copier system
Patent number
6,404,511
Issue date
Jun 11, 2002
Seiko Epson Corporation
Tsung-Nan Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Color image reproduction with accurate inside-gamut colors and enha...
Patent number
6,400,843
Issue date
Jun 4, 2002
Seiko Epson Corporation
Joseph Shu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Reduction of moiré in screened images using hierarchical ed...
Patent number
6,233,060
Issue date
May 15, 2001
Seiko Epson Corporation
Joseph Shu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Color matching accuracy inside and outside the gamut
Patent number
6,204,939
Issue date
Mar 20, 2001
Seiko Epson Corporation
Tsung-Nan Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multilevel screening for color laser printer
Patent number
6,185,008
Issue date
Feb 6, 2001
Seiko Epson Corporation
Joseph Shu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Device-independent and medium-independent color matching between an...
Patent number
6,181,445
Issue date
Jan 30, 2001
Seiko Epson Corporation
Tsung-Nan Lin
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Multilevel screening for color laser printer
Patent number
6,097,502
Issue date
Aug 1, 2000
Seiko Epson Corporation
Joseph Shu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Void-and-cluster dither-matrix generation for better half-tone unif...
Patent number
6,088,512
Issue date
Jul 11, 2000
Seiko Epson Corporation
Hakan Ancin
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Frame rate modulation for liquid crystal display (LCD)
Patent number
6,064,359
Issue date
May 16, 2000
Seiko Epson Corporation
Tsung-Nan Lin
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
System and method for detecting the black and white points of a col...
Patent number
6,038,340
Issue date
Mar 14, 2000
Seiko Epson Corporation
Hakan Ancin
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Color stochastic screening with optimal color dot placement
Patent number
6,031,626
Issue date
Feb 29, 2000
Seiko Epson Corporation
Joseph Shu
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Color stochastic screening with optimal color dot placement for dis...
Patent number
5,963,715
Issue date
Oct 5, 1999
Seiko Epson Corporation
Joseph Shu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multicolor and mixed-mode halftoning
Patent number
5,963,714
Issue date
Oct 5, 1999
Seiko Epson Corporation
Anoop K. Bhattacharjya
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Image enhancement during half-toning using low-pass and high-pass f...
Patent number
5,946,454
Issue date
Aug 31, 1999
Seiko Epson Corporation
Joseph Shu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
Multiple layer cluster dither matrix for reducing artifacts in prin...
Patent number
5,920,682
Issue date
Jul 6, 1999
Seiko Epson Corporation
Joseph Shu
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Generating color-correction look-up-table addresses by multi-level...
Patent number
5,905,490
Issue date
May 18, 1999
Seiko Epson Corporation
Joseph Shu
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
Mosaic image data processing
Publication number
20070041633
Publication date
Feb 22, 2007
Vasudev Bhaskaran
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Method and apparatus for video deblocking
Publication number
20060126731
Publication date
Jun 15, 2006
Changick Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Nozzle scheduling for ink jet printing
Publication number
20050190233
Publication date
Sep 1, 2005
Anoop K. Bhattacharjya
B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information
Patent Application
3-Dimensional dot code for paper storage
Publication number
20050167505
Publication date
Aug 4, 2005
Changick Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Three dimensional stochastic screen for LCD and video
Publication number
20040104918
Publication date
Jun 3, 2004
Jincheng Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Method and apparatus for video deblocking
Publication number
20040057631
Publication date
Mar 25, 2004
Changick Kim
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Mixed screen design for multi-mode document
Publication number
20040051907
Publication date
Mar 18, 2004
Jincheng Huang
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PWM rendering for color/gray-scale text and graphics for laser printer
Publication number
20030210409
Publication date
Nov 13, 2003
Jincheng Huang
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Color processing architecture and algorithms for color laser printers
Publication number
20030053086
Publication date
Mar 20, 2003
Jau-yuen Chen
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Image artifact removal technique for LCP
Publication number
20020094128
Publication date
Jul 18, 2002
Joseph Shu
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Application
Memory efficient image artifact removal technique for LCP
Publication number
20020094129
Publication date
Jul 18, 2002
Jau-Yuen Chen
G06 - COMPUTING CALCULATING COUNTING