Assignee
SHIRAKI MASATOSHI
JP13 patents
Top patents by PatentIndex Score
US9110441B2Aug 18, 2015
Cartridge detachably mounted on main casing
SHIRAKI MASATOSHI31 citations94
US8494419B2Jul 23, 2013
Processing unit including developing roller having roller body and covering layer covering circumferential surface of roller body, and supporting member that supports developing roller
SHIRAKI MASATOSHI35 citations94
US8948617B2Feb 3, 2015
Cartridge provided with pivotable member for new product detection
SHIRAKI MASATOSHI17 citations92
US8620180B2Dec 31, 2013
Process cartridge and developing cartridge
SHIRAKI MASATOSHI22 citations92
US8233820B2Jul 31, 2012
Process unit
SHIRAKI MASATOSHI13 citations92
US8611787B2Dec 17, 2013
Process unit
SHIRAKI MASATOSHI6 citations84
US8781377B2Jul 15, 2014
Developing device
SHIRAKI MASATOSHI4 citations73
US9042776B2May 26, 2015
Process unit
SHIRAKI MASATOSHI0 citations52
US8693919B2Apr 8, 2014
Image forming apparatus
SHIRAKI MASATOSHI1 citations52
US8107859B2Jan 31, 2012
Configuration for an agitation system in a developing device and process cartridge
SHIRAKI MASATOSHI1 citations52
US9229377B2Jan 5, 2016
Image forming apparatus
SHIRAKI MASATOSHI0 citations42
US8412065B2Apr 2, 2013
Image forming apparatus with developing roller cleaning capability
SHIRAKI MASATOSHI0 citations42
US8131172B2Mar 6, 2012
Image forming apparatus
SHIRAKI MASATOSHI0 citations42