Inventor
ITAGAKI TOMOHISA
JP60 patents
⚠️ This page may combine multiple inventors who share the name “ITAGAKI TOMOHISA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
40 patentsUS9772596B2Sep 26, 2017
Image forming apparatus and electrophotographic photosensitive member
CANON KK29 citations94
US7369271B2May 6, 2008
Image processing apparatus and its method, and control method
CANON KK26 citations92
US10180641B2Jan 15, 2019
Image forming apparatus controlling conditions of applied bias based on test image
CANON KK8 citations84
US7969615B2Jun 28, 2011
Image forming apparatus and image processing apparatus
CANON KK7 citations84
US7903287B2Mar 8, 2011
Image forming apparatus, image forming method
CANON KK9 citations84
US7564584B2Jul 21, 2009
Image processing device, image processing system, job processing method, storage medium, and program
CANON KK17 citations84
US7554694B2Jun 30, 2009
Image processing apparatus and its method, and control method
CANON KK10 citations84
US7529006B2May 5, 2009
Image processing method, image processing apparatus, storage medium, and program for calculating first and second graduation-correction characteristics, and for reducing hue variations of a secondary color
CANON KK18 citations84
US7509065B2Mar 24, 2009
Image forming apparatus and control method for the same
CANON KK12 citations84
US7453609B2Nov 18, 2008
Image color correction method and image forming apparatus
CANON KK12 citations84
US7626728B2Dec 1, 2009
Method and apparatus for calcuating color differences on measured evaluation charts to evaluate color reproducibility considering image homogeneity
CANON KK17 citations83
US7880931B2Feb 1, 2011
Image processing apparatus and its method, and control method
CANON KK4 citations74
US7839526B2Nov 23, 2010
Reservation of secondary printing devices in a substitute printing system
CANON KK7 citations74
US7619792B2Nov 17, 2009
Image forming apparatus, image forming method
CANON KK5 citations74
US7068393B2Jun 27, 2006
Image ratio measuring method for image forming apparatus
CANON KK7 citations74
US7058215B2Jun 6, 2006
Data processing system, maintenance apparatus and image processing apparatus
CANON KK10 citations74
US11199799B2Dec 14, 2021
Image forming apparatus
CANON KK3 citations73
US10795299B2Oct 6, 2020
Image forming apparatus generating image forming condition based on detected images
CANON KK2 citations73
US10484555B2Nov 19, 2019
Image forming apparatus communicably connected to an external measurement device that measures a measurement image for a calibration operation, and a related image processing apparatus
CANON KK6 citations73
US9888152B2Feb 6, 2018
Image forming apparatus
CANON KK4 citations73
US9632448B2Apr 25, 2017
Image forming apparatus
CANON KK2 citations73
US9031468B2May 12, 2015
Image forming apparatus
CANON KK6 citations73
US8797615B2Aug 5, 2014
Image forming apparatus
CANON KK4 citations73
US9229405B2Jan 5, 2016
Image forming apparatus
CANON KK2 citations63
US7881628B2Feb 1, 2011
Image forming apparatus that identifies halftone process parameter
CANON KK3 citations63
US7783214B2Aug 24, 2010
Image forming apparatus and control method for the same
CANON KK2 citations63
US7778574B2Aug 17, 2010
Image forming apparatus with an intermediary transfer belt having a referential mark
CANON KK4 citations63
US7512350B2Mar 31, 2009
Image forming apparatus and method that identify halftone process parameter
CANON KK3 citations63
US11184506B2Nov 23, 2021
Image processing system, control method, and storage medium
CANON KK0 citations62
US10999477B2May 4, 2021
Image processing apparatus, method and storage medium
CANON KK1 citations62
US10839271B2Nov 17, 2020
Image processing apparatus, method and storage medium
CANON KK1 citations62
US7460796B2Dec 2, 2008
Method for measuring amount of toner, method for image formation, toner amount measuring apparatus, and image forming apparatus
CANON KK4 citations62
US7676080B2Mar 9, 2010
Method of creating color chart for color evaluation, and information processing apparatus thereof
CANON KK4 citations61
US7633648B2Dec 15, 2009
Method and apparatus for calculating distances and reflection differences between measurement points on printed matter to evaluate image quality
CANON KK6 citations61
US10129441B2Nov 13, 2018
Image forming apparatus for forming test pattern on sheet using coloring material of plurality of colors
CANON KK0 citations52
US9971270B2May 15, 2018
Image forming apparatus
CANON KK1 citations52
US9973660B2May 15, 2018
Image forming apparatus for forming test pattern on sheet using coloring material of plurality of colors
CANON KK1 citations52
US9091956B2Jul 28, 2015
Image forming apparatus for performing exposure a plurality of times
CANON KK0 citations52
US8854408B2Oct 7, 2014
Image forming apparatus for performing exposure a plurality of times
CANON KK0 citations52
US7860416B2Dec 28, 2010
Image forming apparatus
CANON KK1 citations52
ITAGAKI TOMOHISA
6 patentsUS8203758B2Jun 19, 2012
Image processing apparatus and its method, and control method
ITAGAKI TOMOHISA12 citations83
US8958123B2Feb 17, 2015
Image forming apparatus
ITAGAKI TOMOHISA2 citations62
US8432579B2Apr 30, 2013
Image forming apparatus
ITAGAKI TOMOHISA2 citations62
US8130409B2Mar 6, 2012
Image forming apparatus
ITAGAKI TOMOHISA4 citations62
US8107127B2Jan 31, 2012
Image forming apparatus, image forming method
ITAGAKI TOMOHISA2 citations62
USRE43814ENov 20, 2012
Image forming apparatus and control method for the same
ITAGAKI TOMOHISA0 citations51
SHIRAFUJI YASUHITO
2 patentsHIROTA KENICHI
1 patentZAIMA NOBUHIKO
1 patentShowing the top 50 of 60 patents by PatentIndex Score.