Inventor · disambiguated record
Yasuhito Shirafuji
Also filed as: SHIRAFUJI YASUHITO
23 granted patents·1 pending application·29 citations·filing 2006–2017
91Inventor score
Top patents by PatentIndex Score
24 records- 0187US9116470B2Adjustment of image density, using a density adjustment condition, in image forming apparatusSHIRAFUJI YASUHITO·Filed 2012·Granted Aug 25, 2015·5 cites·8 claims
- 0285US9459579B2Image forming apparatus that corrects image forming condition based on measurement result of measurement imageCANON KK·Filed 2015·Granted Oct 4, 2016·3 cites·20 claims
- 0382US9310742B2Image forming apparatus that updates process condition of image formationCANON KK·Filed 2014·Granted Apr 12, 2016·3 cites·14 claims
- 0481US10095171B2Image forming apparatusCANON KK·Filed 2017·Granted Oct 9, 2018·2 cites·14 claims
- 0580US7558517B2Image forming apparatus featuring alleviation of toner image deformation resulting from a rotational speed change of an image bearing memberCANON KK·Filed 2006·Granted Jul 7, 2009·6 cites·11 claims
- 0678US9436145B2Image forming apparatus including correction unit that corrects tone correction tableCANON KK·Filed 2014·Granted Sep 6, 2016·2 cites·9 claims
- 0776US8929757B2Image forming apparatus for detecting and correcting thickness and area ratio of toner layerSHIRAFUJI YASUHITO·Filed 2012·Granted Jan 6, 2015·2 cites·4 claims
- 0876US8908225B2Image forming apparatus in which tone correction setting is controlledZAIMA NOBUHIKO·Filed 2012·Granted Dec 9, 2014·3 cites·7 claims
- 0963US8023840B2Image forming apparatus for detecting the distribution of electrical resistance of a transferring memberCANON KK·Filed 2008·Granted Sep 20, 2011·2 cites·6 claims
- 1062US9091956B2Image forming apparatus for performing exposure a plurality of timesCANON KK·Filed 2014·Granted Jul 28, 2015·0 cites·6 claims
- 1162US8666265B2Image forming apparatus and image forming method of electrophotographyISHIHARA TAKAHIRO·Filed 2012·Granted Mar 4, 2014·1 cites·9 claims
- 1259US8854408B2Image forming apparatus for performing exposure a plurality of timesCANON KK·Filed 2013·Granted Oct 7, 2014·0 cites·16 claims
- 1350US9372460B2Image forming apparatus holding tone correction tableCANON KK·Filed 2014·Granted Jun 21, 2016·0 cites·10 claims
- 1449US9057974B2Image 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
- 1547US9081334B2Image forming apparatusMOCHIZUKI JUN·Filed 2012·Granted Jul 14, 2015·0 cites·5 claims
- 1646US8180235B2Image forming apparatusSHIRAFUJI YASUHITO·Filed 2009·Granted May 15, 2012·0 cites·7 claims
- 1745US8903262B2Image forming apparatus responsive to image forming conditionsSHIRAFUJI YASUHITO·Filed 2011·Granted Dec 2, 2014·0 cites·20 claims
- 1842US8457537B2Image forming apparatus for transferring a toner image onto a recording materialSHIRAFUJI YASUHITO·Filed 2011·Granted Jun 4, 2013·0 cites·7 claims
- 1940US9772592B2Image forming apparatusCANON KK·Filed 2015·Granted Sep 26, 2017·0 cites·9 claims
- 2040US8199181B2Image forming apparatusZAIMA NOBUHIKO·Filed 2011·Granted Jun 12, 2012·0 cites·5 claims
- 2139US8185026B2Image forming apparatusSHIRAFUJI YASUHITO·Filed 2010·Granted May 22, 2012·0 cites·7 claims
- 2239US2012294643A1Image forming apparatusITAGAKI TOMOHISA·Filed 2012·Application pending·0 cites
- 2337US9501017B2Image forming apparatus that suppresses fluctuations in density of successively formed images even if charge amount of developer changesCANON KK·Filed 2015·Granted Nov 22, 2016·0 cites·15 claims
- 2433US8874015B2Image forming apparatusAKASHI KAZUKIYO·Filed 2012·Granted Oct 28, 2014·0 cites·3 claims
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