Inventor
SOGA SETSUO
21 patents
⚠️ This page may combine multiple inventors who share the name “SOGA SETSUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
19 patentsUS7313353B2Dec 25, 2007
Fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit
RICOH KK87 citations98
US7127204B2Oct 24, 2006
Belt fixing unit with heat-resisting resin base member and image forming toner for use in the fixing unit
RICOH KK101 citations98
US6496666B2Dec 17, 2002
Image forming apparatus and method having an improved heating mechanism in fixing device
RICOH KK78 citations94
US7273688B2Sep 25, 2007
Image forming method and image forming apparatus for same
RICOH KK15 citations92
US7162187B2Jan 9, 2007
Image forming apparatus and image forming method
RICOH KK25 citations92
US7125638B2Oct 24, 2006
Image forming method and image forming apparatus for same
RICOH KK21 citations92
US6067435AMay 23, 2000
Image forming apparatus
RICOH KK18 citations92
US5873017AFeb 16, 1999
Image forming apparatus
RICOH KK24 citations92
US4987457AJan 22, 1991
Fixing method for a wet process copier
RICOH KK29 citations92
US5679462AOct 21, 1997
Fixing apparatus
RICOH KK19 citations90
US5678153AOct 14, 1997
Fixing apparatus comprising a cleaning roller having a coated layer of polyimide and polytetrafluoroethylene
RICOH KK39 citations90
US4951160AAug 21, 1990
Image reproducing apparatus
RICOH KK20 citations81
US4172976AOct 30, 1979
Heat roller fixing apparatus
RICOH KK30 citations81
US7515860B2Apr 7, 2009
Image forming method and image forming apparatus for same
RICOH KK4 citations74
US4977308ADec 11, 1990
Heat roller type fixing device and method of producing the same
RICOH KK12 citations74
US4934930AJun 19, 1990
Heat roller fixing device and image fixing method
RICOH KK10 citations74
US4813868AMar 21, 1989
Image fixing method
RICOH KK8 citations74
US3992089ANov 16, 1976
Reader-printer apparatus with multiple supply rolls and charging devices
RICOH KK15 citations72
US5128110AJul 7, 1992
Ozone removing device for image forming equipment
RICOH KK10 citations71