Assignee
SATO SHOUGO
JP112 patents
Top patents by PatentIndex Score
US8213826B2Jul 3, 2012
Image forming apparatus and developing cartridge
SATO SHOUGO24 citations96
US9026002B2May 5, 2015
Image forming apparatus having developing unit in which developing device is movably disposed
SATO SHOUGO17 citations93
US8995875B2Mar 31, 2015
Image forming apparatus provided with contacting-separating member capable of moving developing roller relative to photosensitive drum
SATO SHOUGO19 citations93
US8892002B2Nov 18, 2014
Image forming apparatus having photosensitive drum moving mechanism
SATO SHOUGO20 citations93
US8855530B2Oct 7, 2014
Image forming apparatus having photosensitive drum moving mechanism
SATO SHOUGO22 citations93
US8768206B2Jul 1, 2014
Image forming apparatus having photosensitive drum moving mechanism
SATO SHOUGO21 citations93
US8744311B2Jun 3, 2014
Image forming apparatus having drum supporting member
SATO SHOUGO14 citations93
US8693917B2Apr 8, 2014
Image forming apparatus having interlocking mechanism configured to interlock developing-section displacement mechanism and photosensitive-member displacement mechanism with cover
SATO SHOUGO22 citations93
US8600267B2Dec 3, 2013
Developer cartridge and developing unit provided with the same
SATO SHOUGO25 citations93
US8565650B2Oct 22, 2013
Image forming apparatus and process cartridge
SATO SHOUGO18 citations93
US8554116B2Oct 8, 2013
Toner cartridge having shutter that selectively opens and closes toner-supply hole of the toner cartridge
SATO SHOUGO18 citations93
US8311437B2Nov 13, 2012
Image forming apparatus with detachable cartridge
SATO SHOUGO29 citations93
US8175490B2May 8, 2012
Image forming apparatus with a cleaning unit
SATO SHOUGO10 citations93
US9366993B2Jun 14, 2016
Developer cartridge and developing unit provided with the same
SATO SHOUGO7 citations84
US9348306B2May 24, 2016
Process cartridge and image forming apparatus including the same
SATO SHOUGO4 citations84
US9188949B2Nov 17, 2015
Image forming apparatus and developer cartridge
SATO SHOUGO8 citations84
US9158221B2Oct 13, 2015
Removable waste toner storage configuration for an image forming apparatus
SATO SHOUGO7 citations84
US9146532B2Sep 29, 2015
Process cartridge and image forming apparatus including the same
SATO SHOUGO4 citations84
US8934828B2Jan 13, 2015
Image-forming device having waste developer material accommodating part and developer material unit having the same
SATO SHOUGO11 citations84
US8913921B2Dec 16, 2014
Developer container and image forming device
SATO SHOUGO4 citations84
US8913919B2Dec 16, 2014
Image forming apparatus having developer cartridge moving mechanism
SATO SHOUGO10 citations84
US8862035B2Oct 14, 2014
Process cartridge and image forming apparatus including the same
SATO SHOUGO4 citations84
US8805266B2Aug 12, 2014
Image forming apparatus with a removable waste toner container and an exposable feeding path
SATO SHOUGO5 citations84
US8737867B2May 27, 2014
Image forming apparatus and cartridge
SATO SHOUGO8 citations84
US8712282B2Apr 29, 2014
Image forming device
SATO SHOUGO10 citations84
US8594530B2Nov 26, 2013
Image forming apparatus
SATO SHOUGO8 citations84
US8577259B2Nov 5, 2013
Image forming device having belt cleaner and drum cleaner both provided in one of drum units
SATO SHOUGO8 citations84
US8463160B2Jun 11, 2013
Image forming apparatus with developing units and developer cartridges where one of the developing cartridges includes a waste toner containing unit for containing developer collected by a collecting unit
SATO SHOUGO5 citations84
US8311443B2Nov 13, 2012
Image-forming device having cleaning unit opposing belt
SATO SHOUGO7 citations84
US8254797B2Aug 28, 2012
Image forming apparatus having developer cartridge including waste container
SATO SHOUGO6 citations84
US8213825B2Jul 3, 2012
Cartridge with urging members
SATO SHOUGO6 citations84
US8200120B2Jun 12, 2012
Image forming apparatus having an intermediate transfer belt disposed above a plurality of photoconductors
SATO SHOUGO7 citations84
US8185022B2May 22, 2012
Image forming apparatus and process cartridge
SATO SHOUGO10 citations84
US8121518B2Feb 21, 2012
Combination in which toner cartridge is removably installed in developing cartridge, which is removably installed in photoconductor cartridge
SATO SHOUGO6 citations84
US8103187B2Jan 24, 2012
Image forming apparatus with developing units and developer cartidges
SATO SHOUGO10 citations84
US8086138B2Dec 27, 2011
Image forming apparatus having developer cartridge including waste container
SATO SHOUGO9 citations84
US8078088B2Dec 13, 2011
Image forming device, developing device and toner cartridge
SATO SHOUGO11 citations84
US8693914B2Apr 8, 2014
Developing cartridge
SATO SHOUGO3 citations74
US8532543B2Sep 10, 2013
Process cartridge and image forming apparatus including the same
SATO SHOUGO4 citations74
US8521061B2Aug 27, 2013
Image forming apparatus having support frame from which cartridges are detachable
SATO SHOUGO4 citations74
US8862034B2Oct 14, 2014
Developer cartridge and developing unit including the same
SATO SHOUGO4 citations73
US8805264B2Aug 12, 2014
Image-forming device and developer material unit having waste developer material accommodating part
SATO SHOUGO4 citations73
US8797613B2Aug 5, 2014
Image reader
SATO SHOUGO6 citations73
US8688000B2Apr 1, 2014
Image forming apparatus with movable exposure units
SATO SHOUGO5 citations73
US8107829B2Jan 31, 2012
Image forming apparatus with a developer circulation mechanism
SATO SHOUGO6 citations73
US8879950B2Nov 4, 2014
Image forming apparatus including a photosensitive drum and exposing member movable between an exposure position close to the drum and an evacuation position evacuated from the drum
SATO SHOUGO4 citations71
US9134684B2Sep 15, 2015
Image forming device capable of reliably recovering matter deposited on endless belt and ensuring smooth operations of retaining member
SATO SHOUGO3 citations63
US9091973B2Jul 28, 2015
Image forming apparatus
SATO SHOUGO1 citations63
US8879962B2Nov 4, 2014
Developing unit
SATO SHOUGO2 citations63
US8873999B2Oct 28, 2014
Image forming apparatus having waste developer accommodating portion
SATO SHOUGO1 citations63
Showing the top 50 of 112 patents by PatentIndex Score.