Inventor · disambiguated record
Masaru Shimura
Also filed as: SHIMURA MASARU
67 granted patents·4 pending applications·539 citations·filing 1995–2019
99Inventor score
Top patents by PatentIndex Score
71 records- 0195US9158238B2Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer beltCANON KK·Filed 2013·Granted Oct 13, 2015·10 cites·35 claims
- 0294US9417568B2Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer beltCANON KK·Filed 2015·Granted Aug 16, 2016·6 cites·32 claims
- 0394US8290385B2Image forming apparatus for transferring transfer residual toner onto image bearing memberNAKAGAWA KEN·Filed 2012·Granted Oct 16, 2012·9 cites·13 claims
- 0494US7978998B2Image forming apparatus for transferring transfer residual toner onto image bearing memberCANON KK·Filed 2008·Granted Jul 12, 2011·13 cites·14 claims
- 0593US7835678B2Image forming apparatus with swingable transfer membersCANON KK·Filed 2006·Granted Nov 16, 2010·12 cites·14 claims
- 0692US9817342B2Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer beltCANON KK·Filed 2016·Granted Nov 14, 2017·4 cites·16 claims
- 0789US10168645B2Image forming apparatus where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer beltCANON KK·Filed 2017·Granted Jan 1, 2019·3 cites·21 claims
- 0889US6711367B2Image forming apparatus and belt unit detachably mountable theretoCANON KK·Filed 2002·Granted Mar 23, 2004·31 cites·11 claims
- 0988US8532531B2Image forming apparatus comprising a charging unit including plural conductive fibersSHIMURA MASARU·Filed 2010·Granted Sep 10, 2013·5 cites·8 claims
- 1087US8965256B2Image forming apparatusCANON KK·Filed 2012·Granted Feb 24, 2015·4 cites·10 claims
- 1187US6539184B2Image forming apparatus with current controlCANON KK·Filed 2001·Granted Mar 25, 2003·28 cites·12 claims
- 1287US6493534B2Sheet conveying apparatus and image forming apparatusCANON KK·Filed 2001·Granted Dec 10, 2002·28 cites·22 claims
- 1387US6173135B1Image forming apparatus with a bias control featureCANON KK·Filed 1999·Granted Jan 9, 2001·41 cites·10 claims
- 1486US8238807B2Image forming apparatusDODA KAZUHIRO·Filed 2011·Granted Aug 7, 2012·3 cites·13 claims
- 1586US8005411B2Image forming apparatus having a transfer unit including an elastic memberCANON KK·Filed 2010·Granted Aug 23, 2011·4 cites·10 claims
- 1686US6615002B2Image forming apparatus and process cartridge for applying an alternating current to a charging member or charging means for charging an image bearing memberCANON KK·Filed 2001·Granted Sep 2, 2003·25 cites·36 claims
- 1786US6397017B1Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2000·Granted May 28, 2002·26 cites·66 claims
- 1885US8180247B2Image forming apparatus for transferring transfer residual toner onto image bearing memberNAKAGAWA KEN·Filed 2011·Granted May 15, 2012·3 cites·10 claims
- 1984US10310595B2Information processing apparatus, information processing method, computer program, and image processing systemSONY CORP·Filed 2015·Granted Jun 4, 2019·6 cites·18 claims
- 2084US10180643B2Image forming apparatus having intermediate transfer belt, secondary transfer member that contacts outer surface of intermediate transfer belt, opposed member opposed to secondary transfer member via intermediate transfer belt, contact member that contacts inner surface of intermediate transfer belt, and constant-voltage element through which opposed member and contact member are groundedCANON KK·Filed 2017·Granted Jan 15, 2019·1 cites·14 claims
- 2184US8831444B2Color image forming apparatusSHIMURA MASARU·Filed 2012·Granted Sep 9, 2014·3 cites·19 claims
- 2284US8068775B2Image forming apparatus with transfer member for transferring toner on image bearing memberINABA YUICHIRO·Filed 2008·Granted Nov 29, 2011·7 cites·12 claims
- 2382US9454108B2Image forming apparatusCANON KK·Filed 2015·Granted Sep 27, 2016·2 cites·14 claims
- 2482US8094835B2Signal processing apparatusSHIMURA MASARU·Filed 2007·Granted Jan 10, 2012·10 cites·8 claims
- 2582US7620354B2Image forming apparatus including first and second charge removing members connected to a grounding pointCANON KK·Filed 2005·Granted Nov 17, 2009·7 cites·4 claims
- 2681US6266495B1Image forming apparatus using transfer roller having low resistance unevenness in circumferential directionCANON KK·Filed 1999·Granted Jul 24, 2001·30 cites·10 claims
- 2781US5915145AImage forming apparatusCANON KK·Filed 1997·Granted Jun 22, 1999·30 cites·14 claims
- 2880US11143987B2Imaging forming apparatus with enhanced primary transferability where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer beltCANON KK·Filed 2018·Granted Oct 12, 2021·1 cites·20 claims
- 2980US8165512B2Image forming apparatus having a transfer device having one or both of concave and convex portionsDODA KAZUHIRO·Filed 2009·Granted Apr 24, 2012·4 cites·24 claims
- 3080US6963716B2Image forming apparatus featuring a resistance relationship between an image bearing member and a transfer memberCANON KK·Filed 2003·Granted Nov 8, 2005·18 cites·6 claims
- 3179US6560426B2Image forming apparatusCANON KK·Filed 2001·Granted May 6, 2003·18 cites·19 claims
- 3278US8830286B2Color image forming apparatus having drive current adjustmentTOYOIZUMI KIYOTO·Filed 2012·Granted Sep 9, 2014·6 cites·14 claims
- 3378US8150067B2Bass enhancing method, signal processing device, and audio reproducing systemOHKURI KAZUNOBU·Filed 2008·Granted Apr 3, 2012·10 cites·11 claims
- 3476US9030513B2Color image forming apparatus having drive current adjustmentCANON KK·Filed 2014·Granted May 12, 2015·3 cites·15 claims
- 3576US6564023B2Image forming apparatus with AC current detectorCANON KK·Filed 2001·Granted May 13, 2003·15 cites·15 claims
- 3675US8750772B2Image forming apparatusDODA KAZUHIRO·Filed 2012·Granted Jun 10, 2014·1 cites·24 claims
- 3775US8077882B2Audio reproducing apparatusSHIMURA MASARU·Filed 2007·Granted Dec 13, 2011·6 cites·8 claims
- 3873US6920299B2Image forming apparatus and intermediate transfer unit detachably mountable thereonCANON KK·Filed 2002·Granted Jul 19, 2005·13 cites·43 claims
- 3972US8036574B2Image forming apparatusCANON KK·Filed 2009·Granted Oct 11, 2011·3 cites·30 claims
- 4072US8000824B2Audio reproducing apparatusSONY CORP·Filed 2007·Granted Aug 16, 2011·5 cites·20 claims
- 4171US8320805B2Image forming apparatus having transfer member supported by rotatable supporting memberYASUMARU ICHIRO·Filed 2010·Granted Nov 27, 2012·1 cites·20 claims
- 4271US6856777B2Image forming apparatus with first and second charging members for charging residual tonerCANON KK·Filed 2002·Granted Feb 15, 2005·12 cites·14 claims
- 4371US6052549ACharging roller, and process cartridge and image-forming apparatus employing the rollerCANON KK·Filed 1995·Granted Apr 18, 2000·20 cites·15 claims
- 4470US10627749B2Image forming apparatus having transfer power source that applies voltage to secondary transfer member to perform secondary transfer of toner images from electrically conductive intermediate transfer belt to recording materials, toner images on image carrier primarily transferred to belt by transfer power source and contact member in which an electric potential is formed by constant-voltage element, transfer power source and auxiliary power sourceCANON KK·Filed 2018·Granted Apr 21, 2020·0 cites·9 claims
- 4570US6999692B2Color image forming apparatus with temperature controlCANON KK·Filed 2003·Granted Feb 14, 2006·11 cites·10 claims
- 4669US10948844B2Color image forming apparatusCANON KK·Filed 2019·Granted Mar 16, 2021·0 cites·16 claims
- 4769US8437670B2Image forming apparatusKATAGIRI SHINJI·Filed 2011·Granted May 7, 2013·2 cites·14 claims
- 4869US8280285B2Image forming apparatus with transfer member for transferring toner on image bearing memberINABA YUICHIRO·Filed 2011·Granted Oct 2, 2012·1 cites·12 claims
- 4969US6282384B1Developing device, process cartridge and electrophotographic image forming apparatusCANON KK·Filed 2000·Granted Aug 28, 2001·11 cites·27 claims
- 5068US9001174B2Image forming apparatusCANON KK·Filed 2013·Granted Apr 7, 2015·1 cites·19 claims
Showing the top 50 of 71 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →