Inventor · disambiguated record
Nobuhiko Zaima
Also filed as: ZAIMA NOBUHIKO
41 granted patents·3 pending applications·246 citations·filing 2001–2019
97Inventor score
Top patents by PatentIndex Score
44 records- 0194US8705137B2Apparatus that performs calibration for maintaining image qualityZAIMA NOBUHIKO·Filed 2010·Granted Apr 22, 2014·9 cites·8 claims
- 0293US7684715B2Image forming apparatus capable of stably maintaining an image densityCANON KK·Filed 2009·Granted Mar 23, 2010·11 cites·10 claims
- 0392US8086124B2Image forming apparatusZAIMA NOBUHIKO·Filed 2006·Granted Dec 27, 2011·14 cites·7 claims
- 0492US7394999B2Image forming apparatus and image control method for controlling image densityCANON KK·Filed 2005·Granted Jul 1, 2008·11 cites·18 claims
- 0588US7577371B2Image forming apparatus featuring correlation of toner concentration control and image parameter controlCANON KK·Filed 2008·Granted Aug 18, 2009·7 cites·7 claims
- 0687US9116470B2Adjustment of image density, using a density adjustment condition, in image forming apparatusSHIRAFUJI YASUHITO·Filed 2012·Granted Aug 25, 2015·5 cites·8 claims
- 0787US7385737B2Image processing apparatus and its control methodCANON KK·Filed 2002·Granted Jun 10, 2008·32 cites·21 claims
- 0886US8804217B2Image forming apparatus which performs calibration for maintaining image qualityZAIMA NOBUHIKO·Filed 2011·Granted Aug 12, 2014·7 cites·14 claims
- 0986US6731888B2Image forming control using density detectionCANON KK·Filed 2002·Granted May 4, 2004·24 cites·18 claims
- 1086US6456803B2Image forming apparatus capable of detecting both of regularly reflected light and irregularly reflected lightCANON KK·Filed 2001·Granted Sep 24, 2002·25 cites·6 claims
- 1183US10126694B2Image forming apparatus capable of performing calibrationCANON KK·Filed 2017·Granted Nov 13, 2018·2 cites·8 claims
- 1283US10007220B2Image forming apparatus with image correction using measurement image and image forming methodCANON KK·Filed 2017·Granted Jun 26, 2018·2 cites·6 claims
- 1382US8977143B2Image forming apparatus which performs calibration for maintaining image qualityZAIMA NOBUHIKO·Filed 2011·Granted Mar 10, 2015·5 cites·8 claims
- 1482US8879937B2Image forming apparatus with electric field controlZAIMA NOBUHIKO·Filed 2012·Granted Nov 4, 2014·3 cites·16 claims
- 1579US7529006B2Image 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
- 1677US7711274B2Image forming apparatus, image forming system, and method of controlling image forming apparatusCANON KK·Filed 2006·Granted May 4, 2010·5 cites·11 claims
- 1776US8929757B2Image forming apparatus for detecting and correcting thickness and area ratio of toner layerSHIRAFUJI YASUHITO·Filed 2012·Granted Jan 6, 2015·2 cites·4 claims
- 1876US8908225B2Image forming apparatus in which tone correction setting is controlledZAIMA NOBUHIKO·Filed 2012·Granted Dec 9, 2014·3 cites·7 claims
- 1973US8947728B2Image forming apparatus which performs calibration for maintaining image qualityZAIMA NOBUHIKO·Filed 2011·Granted Feb 3, 2015·2 cites·6 claims
- 2072US7058215B2Data processing system, maintenance apparatus and image processing apparatusCANON KK·Filed 2001·Granted Jun 6, 2006·10 cites·9 claims
- 2171US7187879B2Image forming apparatusCANON KK·Filed 2004·Granted Mar 6, 2007·9 cites·9 claims
- 2270US6954285B2Developing method and developing apparatus featuring two latent image developing operations using two electrical fieldsCANON KK·Filed 2001·Granted Oct 11, 2005·11 cites·24 claims
- 2369US9210298B2Image forming apparatus which performs calibration for maintaining image qualityCANON KK·Filed 2014·Granted Dec 8, 2015·1 cites·8 claims
- 2469US8629991B2Information processing apparatus for printing a first image added with a second image related to the first image, method of controlling same, image forming apparatus and computer programZAIMA NOBUHIKO·Filed 2007·Granted Jan 14, 2014·4 cites·17 claims
- 2568US8879113B2Image forming apparatus forming images in accordance with image forming conditionsZAIMA NOBUHIKO·Filed 2012·Granted Nov 4, 2014·2 cites·11 claims
- 2667US7068393B2Image ratio measuring method for image forming apparatusCANON KK·Filed 2001·Granted Jun 27, 2006·7 cites·17 claims
- 2766US9516196B2Image forming apparatus that performs calibration for maintaining image qualityCANON KK·Filed 2014·Granted Dec 6, 2016·1 cites·8 claims
- 2864US7773895B2Image forming apparatus and control method of the sameCANON KK·Filed 2007·Granted Aug 10, 2010·2 cites·7 claims
- 2962US9091956B2Image forming apparatus for performing exposure a plurality of timesCANON KK·Filed 2014·Granted Jul 28, 2015·0 cites·6 claims
- 3062US8666265B2Image forming apparatus and image forming method of electrophotographyISHIHARA TAKAHIRO·Filed 2012·Granted Mar 4, 2014·1 cites·9 claims
- 3162US8073349B2Image forming apparatusZAIMA NOBUHIKO·Filed 2008·Granted Dec 6, 2011·2 cites·3 claims
- 3260US8130409B2Image forming apparatusITAGAKI TOMOHISA·Filed 2004·Granted Mar 6, 2012·4 cites·5 claims
- 3359US8854408B2Image forming apparatus for performing exposure a plurality of timesCANON KK·Filed 2013·Granted Oct 7, 2014·0 cites·16 claims
- 3455US9659242B2Apparatus that performs calibration for maintaining image qualityCANON KK·Filed 2014·Granted May 23, 2017·0 cites·18 claims
- 3554US9996040B2Image forming apparatusCANON KK·Filed 2016·Granted Jun 12, 2018·0 cites·10 claims
- 3653US10732554B2Image forming apparatus with tone correctionCANON KK·Filed 2019·Granted Aug 4, 2020·0 cites·5 claims
- 3753US7242876B2Image forming apparatus with developer supply amount target value correcting feature using detected data relating to apparatus ambient environment and information relating to a sealed developer supply container environmentCANON KK·Filed 2003·Granted Jul 10, 2007·5 cites·4 claims
- 3849US9057974B2Image forming apparatus having photosensitive member exposed to plural beams, and control apparatus for light source of image forming apparatusCANON KK·Filed 2013·Granted Jun 16, 2015·0 cites·10 claims
- 3945US8903262B2Image forming apparatus responsive to image forming conditionsSHIRAFUJI YASUHITO·Filed 2011·Granted Dec 2, 2014·0 cites·20 claims
- 4043US10394175B2Image forming apparatus that uses a predetermined measurement image and controls image densityCANON KK·Filed 2018·Granted Aug 27, 2019·0 cites·6 claims
- 4142US2009016753A1Image forming apparatus and control method thereforCANON KK·Filed 2008·Application pending·0 cites
- 4240US8199181B2Image forming apparatusZAIMA NOBUHIKO·Filed 2011·Granted Jun 12, 2012·0 cites·5 claims
- 4339US2018129154A1Image forming apparatusCANON KK·Filed 2017·Application pending·0 cites
- 4439US2012294643A1Image forming apparatusITAGAKI TOMOHISA·Filed 2012·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →