Inventor
SHIMURA MASARU
JP70 patents
⚠️ This page may combine multiple inventors who share the name “SHIMURA MASARU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
35 patentsUS6711367B2Mar 23, 2004
Image forming apparatus and belt unit detachably mountable thereto
CANON KK31 citations93
US6615002B2Sep 2, 2003
Image forming apparatus and process cartridge for applying an alternating current to a charging member or charging means for charging an image bearing member
CANON KK25 citations93
US6539184B2Mar 25, 2003
Image forming apparatus with current control
CANON KK28 citations93
US6397017B1May 28, 2002
Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus
CANON KK26 citations93
US5915145AJun 22, 1999
Image forming apparatus
CANON KK30 citations93
US6493534B2Dec 10, 2002
Sheet conveying apparatus and image forming apparatus
CANON KK28 citations92
US6266495B1Jul 24, 2001
Image forming apparatus using transfer roller having low resistance unevenness in circumferential direction
CANON KK30 citations92
US6173135B1Jan 9, 2001
Image forming apparatus with a bias control feature
CANON KK41 citations92
US6052549AApr 18, 2000
Charging roller, and process cartridge and image-forming apparatus employing the roller
CANON KK20 citations92
US7835678B2Nov 16, 2010
Image forming apparatus with swingable transfer members
CANON KK12 citations91
US9817342B2Nov 14, 2017
Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transer belt
CANON KK4 citations84
US9417568B2Aug 16, 2016
Image forming apparatus using stretch member and contact member to maintain potential with a current flowing to intermediate transfer belt
CANON KK6 citations84
US9158238B2Oct 13, 2015
Image forming apparatus using stretch member and contact member to maintain potential with current flowing from current supply member to intermediate transfer belt
CANON KK10 citations84
US7978998B2Jul 12, 2011
Image forming apparatus for transferring transfer residual toner onto image bearing member
CANON KK13 citations84
US6999692B2Feb 14, 2006
Color image forming apparatus with temperature control
CANON KK11 citations84
US6963716B2Nov 8, 2005
Image forming apparatus featuring a resistance relationship between an image bearing member and a transfer member
CANON KK18 citations84
US6920299B2Jul 19, 2005
Image forming apparatus and intermediate transfer unit detachably mountable thereon
CANON KK13 citations84
US6856777B2Feb 15, 2005
Image forming apparatus with first and second charging members for charging residual toner
CANON KK12 citations84
US6564023B2May 13, 2003
Image forming apparatus with AC current detector
CANON KK15 citations84
US6560426B2May 6, 2003
Image forming apparatus
CANON KK18 citations84
US7620354B2Nov 17, 2009
Image forming apparatus including first and second charge removing members connected to a grounding point
CANON KK7 citations74
US6611669B2Aug 26, 2003
Image forming apparatus with superposed direct current and alternating current charging voltage
CANON KK10 citations74
US6282384B1Aug 28, 2001
Developing device, process cartridge and electrophotographic image forming apparatus
CANON KK11 citations74
US10180643B2Jan 15, 2019
Image 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 grounded
CANON KK1 citations73
US10168645B2Jan 1, 2019
Image forming apparatus where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt
CANON KK3 citations73
US8965256B2Feb 24, 2015
Image forming apparatus
CANON KK4 citations73
US9454108B2Sep 27, 2016
Image forming apparatus
CANON KK2 citations63
US8005411B2Aug 23, 2011
Image forming apparatus having a transfer unit including an elastic member
CANON KK4 citations63
US7058324B2Jun 6, 2006
Image forming apparatus having an image bearing member with varied glossiness
CANON KK6 citations63
US6912369B2Jun 28, 2005
Image forming apparatus
CANON KK3 citations63
US6603935B2Aug 5, 2003
Image forming apparatus featuring application of superimposed DC and AC voltages and DC voltage
CANON KK3 citations63
US11143987B2Oct 12, 2021
Imaging forming apparatus with enhanced primary transferability where primary transfer is performed with electric current flowing in circumferential direction of intermediate transfer belt
CANON KK1 citations62
US8036574B2Oct 11, 2011
Image forming apparatus
CANON KK3 citations62
US10948844B2Mar 16, 2021
Color image forming apparatus
CANON KK0 citations61
US9030513B2May 12, 2015
Color image forming apparatus having drive current adjustment
CANON KK3 citations61
SHIMURA MASARU
4 patentsUS8094835B2Jan 10, 2012
Signal processing apparatus
SHIMURA MASARU10 citations82
US8532531B2Sep 10, 2013
Image forming apparatus comprising a charging unit including plural conductive fibers
SHIMURA MASARU5 citations72
US8077882B2Dec 13, 2011
Audio reproducing apparatus
SHIMURA MASARU6 citations72
US8831444B2Sep 9, 2014
Color image forming apparatus
SHIMURA MASARU3 citations62
SONY CORP
3 patentsUS10310595B2Jun 4, 2019
Information processing apparatus, information processing method, computer program, and image processing system
SONY CORP6 citations73
US10827230B2Nov 3, 2020
Information processing apparatus and information processing method
SONY CORP1 citations62
US8000824B2Aug 16, 2011
Audio reproducing apparatus
SONY CORP5 citations62
NAKAGAWA KEN
2 patentsMEIJI SEIKA CO
1 patentPLANT BIOLOG DEFENSE SYSTEM LA
1 patentINABA YUICHIRO
1 patentOHKURI KAZUNOBU
1 patentTOYOIZUMI KIYOTO
1 patentDODA KAZUHIRO
1 patentShowing the top 50 of 70 patents by PatentIndex Score.