Inventor
YANAGISAWA TAKAAKI
JP29 patents
Patents
29 patentsUS6628908B2Sep 30, 2003
Toner supply unit and image forming apparatus
RICOH KK175 citations99
US6591077B2Jul 8, 2003
Image forming apparatus and toner container therefor
RICOH KK143 citations99
US6507720B2Jan 14, 2003
Color image forming apparatus and toner replenishing apparatus each including plural toner containers received in receiving member of setting part and toner containers therefor
RICOH KK209 citations99
US6393241B1May 21, 2002
Nozzle having an end portion capable of penetrating into a toner discharging portion included in a toner container that stores powdery toner
RICOH KK181 citations99
US6075963AJun 13, 2000
Developer replenishing device and developer container for use therewith
RICOH KK108 citations99
US5455662AOct 3, 1995
Developer replenishing device and developer container for use therewith
RICOH KK153 citations99
US6775503B2Aug 10, 2004
Image forming apparatus with improved capabilities for toner supply
RICOH KK79 citations98
US6567637B2May 20, 2003
Apparatus and method for replenishing a developing device with toner while suppressing toner remaining
RICOH KK105 citations98
US6501913B2Dec 31, 2002
Container, its support structure, and image formation apparatus
RICOH KK100 citations98
US6289195B1Sep 11, 2001
Developer replenishing device and developer container for use therewith
RICOH KK79 citations97
US5918090AJun 29, 1999
Developer replenishing device and developer container for use therewith
RICOH KK64 citations97
US5627631AMay 6, 1997
Developer replenishing device and developer container for use therewith
RICOH KK78 citations97
US5500719AMar 19, 1996
Developer replenishing device and developer container for use therewith
RICOH KK92 citations97
US7130558B2Oct 31, 2006
Toner supply unit and image forming apparatus
RICOH KK32 citations96
US6751431B2Jun 15, 2004
Developer replenishing device and developer container for use therewith
RICOH KK25 citations96
US6748190B2Jun 8, 2004
Apparatus and method for replenishing a developing device with toner while suppressing toner remaining
RICOH KK42 citations96
US6418293B2Jul 9, 2002
Developer replenishing device and developer container for use therewith
RICOH KK30 citations96
US5441177AAug 15, 1995
Toner container and toner replenishing device including a cap member having a shutter
RICOH KK104 citations96
US7209689B2Apr 24, 2007
Toner supply unit and image forming apparatus
RICOH KK20 citations93
US7088945B2Aug 8, 2006
Toner supply unit and image forming apparatus
RICOH KK13 citations93
USRE36301ESep 14, 1999
Image forming apparatus having rotatable electrophotographic process unit
RICOH KK25 citations92
US5367363ANov 22, 1994
Image forming apparatus having rotatable electrophotographic process unit
RICOH KK42 citations92
US5289147AFeb 22, 1994
Image forming apparatus having system for reducing noise
RICOH KK38 citations92
US7356290B2Apr 8, 2008
Toner supply unit and image forming apparatus
RICOH KK9 citations84
US7289748B2Oct 30, 2007
Apparatus and method for replenishing a developing device with toner while suppressing toner remaining
RICOH KK10 citations84
US7218880B2May 15, 2007
Apparatus and method for replenishing a developing device with toner while suppressing toner remaining
RICOH KK10 citations84
US6901230B2May 31, 2005
Toner container having lid including lug
RICOH KK8 citations82
US7542697B2Jun 2, 2009
Toner supply unit and image forming apparatus
RICOH KK7 citations74
US5245385ASep 14, 1993
Image forming apparatus which reduces noise generated therefrom
RICOH KK17 citations73