Inventor
ISHIKAWA HISASHI
JP221 patents
⚠️ This page may combine multiple inventors who share the name “ISHIKAWA HISASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
46 patentsUS6526516B1Feb 25, 2003
Power control system and method for distribution of power to peripheral devices
CANON KK218 citations99
US6273535B1Aug 14, 2001
Image forming system and images forming apparatus
CANON KK261 citations99
US6580460B1Jun 17, 2003
System connecting power supply line to image sensing device upon data transport
CANON KK108 citations98
US5774634AJun 30, 1998
Image processing method and apparatus
CANON KK155 citations98
US5818970AOct 6, 1998
Image encoding apparatus
CANON KK110 citations97
US6364446B1Apr 2, 2002
Printing method and printing apparatus
CANON KK60 citations96
US6198848B1Mar 6, 2001
Method and apparatus for compressing and storing data indicative of a full-color image
CANON KK78 citations96
US6084984AJul 4, 2000
Image processing method, and apparatus therefor
CANON KK73 citations96
US5436981AJul 25, 1995
Image processing method, and apparatus therefor
CANON KK56 citations96
US7266254B2Sep 4, 2007
Data processing apparatus, image processing apparatus, and method therefor
CANON KK45 citations95
US10187553B2Jan 22, 2019
Color conversion processing apparatus, color conversion processing method and storage medium
CANON KK21 citations94
US10043118B2Aug 7, 2018
Image processing apparatus, image processing method, printing medium and storage medium
CANON KK30 citations94
US9485388B2Nov 1, 2016
Image processing apparatus, method, and computer storage medium configured for line correction based on a number of linked dots
CANON KK26 citations94
US10194053B2Jan 29, 2019
Image forming apparatus and density correction method in image forming apparatus based on correction characteristics
CANON KK21 citations93
US10073370B2Sep 11, 2018
Image processing apparatus, method of controlling same, and image forming apparatus
CANON KK20 citations93
US10027848B2Jul 17, 2018
Image processing apparatus and control method for applying spatial filters to images
CANON KK21 citations93
US7895251B2Feb 22, 2011
Random number generating method and random number generating apparatus
CANON KK16 citations93
US7477422B2Jan 13, 2009
Image recording apparatus, image recording method, method for controlling the image recording apparatus, storage medium storing a program capable of being read by a computer, and image processing method
CANON KK19 citations93
US7139096B2Nov 21, 2006
Printing system and printing method
CANON KK17 citations93
US7130083B1Oct 31, 2006
Image recording apparatus, image recording method, method for controlling the image recording apparatus, storage medium storing a program capable of being read by a computer, and image processing method
CANON KK39 citations93
US6967745B1Nov 22, 2005
Image processing apparatus and method, and storage medium
CANON KK24 citations93
US6915014B1Jul 5, 2005
Image processing apparatus and method
CANON KK48 citations93
US6530642B1Mar 11, 2003
Cleaning device, method and printer with virtually equal wiping condition for different print unit to recording surface distances
CANON KK23 citations93
US6330075B1Dec 11, 2001
Image processing method and apparatus
CANON KK36 citations93
US6252992B1Jun 26, 2001
Variable length coding
CANON KK29 citations93
US5832184ANov 3, 1998
Image processing apparatus and method
CANON KK21 citations93
US5249061ASep 28, 1993
Color image printer with adaptive color process
CANON KK25 citations93
US5115241AMay 19, 1992
Predictive coding device with increased resolution
CANON KK32 citations93
US5107519AApr 21, 1992
Coding device and a decoding device
CANON KK43 citations93
US4995059AFeb 19, 1991
Predictive coding device
CANON KK38 citations93
US4785351ANov 15, 1988
Picture signal converting device
CANON KK31 citations93
US4768092AAug 30, 1988
Image signal conversion device
CANON KK46 citations93
US9749496B2Aug 29, 2017
Performing halftone processing using intra-cell sum value differences applied so as to correct boundary pixels
CANON KK20 citations92
US9734439B2Aug 15, 2017
Image processing apparatus and method thereof
CANON KK20 citations92
US9462091B2Oct 4, 2016
Information processing apparatus, communication method and storage medium
CANON KK17 citations92
US7432985B2Oct 7, 2008
Image processing method
CANON KK46 citations92
US5926292AJul 20, 1999
Image processing apparatus
CANON KK18 citations92
US5903360AMay 11, 1999
Discriminating an image data characteristic and controlling storage of the data accordingly
CANON KK33 citations92
US5321532AJun 14, 1994
Image processing apparatus
CANON KK20 citations92
US4903124AFeb 20, 1990
Image information signal transmission apparatus
CANON KK45 citations92
US11281950B2Mar 22, 2022
Image processing apparatus, image forming system, image processing method and storage medium
CANON KK13 citations86
US10356282B2Jul 16, 2019
Image processing apparatus and color separation processing method by interpolation processing using a multi-dimensional lookup table
CANON KK17 citations86
US10545446B2Jan 28, 2020
Tone correction image processing based on pixel formation position on a photoreceptor
CANON KK11 citations85
US10063743B2Aug 28, 2018
Image processing apparatus, image processing method, and non-transitory computer-readable storage medium
CANON KK19 citations85
US10057459B2Aug 21, 2018
Image forming apparatus, updating method of gamma correction information, and storage medium
CANON KK17 citations85
US10771657B2Sep 8, 2020
Image processing apparatus and image processing method quantizing first and second gradation data to generate first and second quantization data
CANON KK13 citations84
JAPAN RADIO CO LTD
1 patentNEC CORP
1 patentINOUE HIROWO
1 patentLOTTE CO LTD
1 patentShowing the top 50 of 221 patents by PatentIndex Score.