Inventor · disambiguated record
Tomohisa Itagaki
Also filed as: ITAGAKI TOMOHISA
60 granted patents·4 pending applications·296 citations·filing 2001–2021
98Inventor score
Top patents by PatentIndex Score
64 records- 0198US9772596B2Image forming apparatus and electrophotographic photosensitive memberCANON KK·Filed 2015·Granted Sep 26, 2017·29 cites·8 claims
- 0295US11199799B2Image forming apparatusCANON KK·Filed 2020·Granted Dec 14, 2021·3 cites·14 claims
- 0395US10180641B2Image forming apparatus controlling conditions of applied bias based on test imageCANON KK·Filed 2016·Granted Jan 15, 2019·8 cites·32 claims
- 0493US10484555B2Image forming apparatus communicably connected to an external measurement device that measures a measurement image for a calibration operation, and a related image processing apparatusCANON KK·Filed 2018·Granted Nov 19, 2019·6 cites·18 claims
- 0593US8203758B2Image processing apparatus and its method, and control methodITAGAKI TOMOHISA·Filed 2010·Granted Jun 19, 2012·12 cites·3 claims
- 0693US7509065B2Image forming apparatus and control method for the sameCANON KK·Filed 2006·Granted Mar 24, 2009·12 cites·34 claims
- 0792US7626728B2Method and apparatus for calcuating color differences on measured evaluation charts to evaluate color reproducibility considering image homogeneityCANON KK·Filed 2006·Granted Dec 1, 2009·17 cites·11 claims
- 0891US9031468B2Image forming apparatusCANON KK·Filed 2012·Granted May 12, 2015·6 cites·15 claims
- 0990US9888152B2Image forming apparatusCANON KK·Filed 2016·Granted Feb 6, 2018·4 cites·13 claims
- 1090US7554694B2Image processing apparatus and its method, and control methodCANON KK·Filed 2007·Granted Jun 30, 2009·10 cites·6 claims
- 1189US8797615B2Image forming apparatusCANON KK·Filed 2013·Granted Aug 5, 2014·4 cites·16 claims
- 1289US7903287B2Image forming apparatus, image forming methodCANON KK·Filed 2009·Granted Mar 8, 2011·9 cites·11 claims
- 1389US7369271B2Image processing apparatus and its method, and control methodCANON KK·Filed 2003·Granted May 6, 2008·26 cites·3 claims
- 1488US7453609B2Image color correction method and image forming apparatusCANON KK·Filed 2005·Granted Nov 18, 2008·12 cites·19 claims
- 1587US9116470B2Adjustment of image density, using a density adjustment condition, in image forming apparatusSHIRAFUJI YASUHITO·Filed 2012·Granted Aug 25, 2015·5 cites·8 claims
- 1686US7564584B2Image processing device, image processing system, job processing method, storage medium, and programCANON KK·Filed 2005·Granted Jul 21, 2009·17 cites·38 claims
- 1784US7969615B2Image forming apparatus and image processing apparatusCANON KK·Filed 2008·Granted Jun 28, 2011·7 cites·10 claims
- 1882US9632448B2Image forming apparatusCANON KK·Filed 2016·Granted Apr 25, 2017·2 cites·12 claims
- 1982US7619792B2Image forming apparatus, image forming methodCANON KK·Filed 2007·Granted Nov 17, 2009·5 cites·6 claims
- 2081US9551966B2Image forming apparatusHIROTA KENICHI·Filed 2012·Granted Jan 24, 2017·4 cites·35 claims
- 2181US7880931B2Image processing apparatus and its method, and control methodCANON KK·Filed 2009·Granted Feb 1, 2011·4 cites·12 claims
- 2279US9229405B2Image forming apparatusCANON KK·Filed 2014·Granted Jan 5, 2016·2 cites·16 claims
- 2379US7633648B2Method and apparatus for calculating distances and reflection differences between measurement points on printed matter to evaluate image qualityCANON KK·Filed 2006·Granted Dec 15, 2009·6 cites·7 claims
- 2479US7529006B2Image 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 colorCANON KK·Filed 2003·Granted May 5, 2009·18 cites·7 claims
- 2578US10795299B2Image forming apparatus generating image forming condition based on detected imagesCANON KK·Filed 2019·Granted Oct 6, 2020·2 cites·9 claims
- 2677US8432579B2Image forming apparatusITAGAKI TOMOHISA·Filed 2011·Granted Apr 30, 2013·2 cites·3 claims
- 2776US8929757B2Image forming apparatus for detecting and correcting thickness and area ratio of toner layerSHIRAFUJI YASUHITO·Filed 2012·Granted Jan 6, 2015·2 cites·4 claims
- 2876US8908225B2Image forming apparatus in which tone correction setting is controlledZAIMA NOBUHIKO·Filed 2012·Granted Dec 9, 2014·3 cites·7 claims
- 2975US8107127B2Image forming apparatus, image forming methodITAGAKI TOMOHISA·Filed 2011·Granted Jan 31, 2012·2 cites·17 claims
- 3075US7839526B2Reservation of secondary printing devices in a substitute printing systemCANON KK·Filed 2006·Granted Nov 23, 2010·7 cites·13 claims
- 3175US7778574B2Image forming apparatus with an intermediary transfer belt having a referential markCANON KK·Filed 2008·Granted Aug 17, 2010·4 cites·48 claims
- 3275US7460796B2Method for measuring amount of toner, method for image formation, toner amount measuring apparatus, and image forming apparatusCANON KK·Filed 2007·Granted Dec 2, 2008·4 cites·26 claims
- 3374US7512350B2Image forming apparatus and method that identify halftone process parameterCANON KK·Filed 2006·Granted Mar 31, 2009·3 cites·8 claims
- 3473US10999477B2Image processing apparatus, method and storage mediumCANON KK·Filed 2019·Granted May 4, 2021·1 cites·13 claims
- 3573US10839271B2Image processing apparatus, method and storage mediumCANON KK·Filed 2019·Granted Nov 17, 2020·1 cites·11 claims
- 3673US7881628B2Image forming apparatus that identifies halftone process parameterCANON KK·Filed 2009·Granted Feb 1, 2011·3 cites·6 claims
- 3772US7058215B2Data processing system, maintenance apparatus and image processing apparatusCANON KK·Filed 2001·Granted Jun 6, 2006·10 cites·9 claims
- 3871US9971270B2Image forming apparatusCANON KK·Filed 2016·Granted May 15, 2018·1 cites·7 claims
- 3971US8958123B2Image forming apparatusITAGAKI TOMOHISA·Filed 2012·Granted Feb 17, 2015·2 cites·15 claims
- 4070US9973660B2Image forming apparatus for forming test pattern on sheet using coloring material of plurality of colorsCANON KK·Filed 2016·Granted May 15, 2018·1 cites·7 claims
- 4170US7783214B2Image forming apparatus and control method for the sameCANON KK·Filed 2009·Granted Aug 24, 2010·2 cites·11 claims
- 4267US7068393B2Image ratio measuring method for image forming apparatusCANON KK·Filed 2001·Granted Jun 27, 2006·7 cites·17 claims
- 4367US2022075306A1Image forming apparatusCANON KK·Filed 2021·Application pending·0 cites
- 4465US7676080B2Method of creating color chart for color evaluation, and information processing apparatus thereofCANON KK·Filed 2007·Granted Mar 9, 2010·4 cites·10 claims
- 4564US10129441B2Image forming apparatus for forming test pattern on sheet using coloring material of plurality of colorsCANON KK·Filed 2018·Granted Nov 13, 2018·0 cites·9 claims
- 4662US9091956B2Image forming apparatus for performing exposure a plurality of timesCANON KK·Filed 2014·Granted Jul 28, 2015·0 cites·6 claims
- 4762US8666265B2Image forming apparatus and image forming method of electrophotographyISHIHARA TAKAHIRO·Filed 2012·Granted Mar 4, 2014·1 cites·9 claims
- 4861US8174536B2Color difference display control apparatus, color difference display control method, and control programITAGAKI TOMOHISA·Filed 2007·Granted May 8, 2012·1 cites·19 claims
- 4960US8130409B2Image forming apparatusITAGAKI TOMOHISA·Filed 2004·Granted Mar 6, 2012·4 cites·5 claims
- 5059US8854408B2Image forming apparatus for performing exposure a plurality of timesCANON KK·Filed 2013·Granted Oct 7, 2014·0 cites·16 claims
Showing the top 50 of 64 patent records by PatentIndex Score.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →