Inventor
SATO YOTARO
JP47 patents
⚠️ This page may combine multiple inventors who share the name “SATO YOTARO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
26 patentsUS5991563ANov 23, 1999
Image forming apparatus
KONISHIROKU PHOTO IND33 citations93
US5978644ANov 2, 1999
Image forming apparatus
KONISHIROKU PHOTO IND26 citations93
US5970277AOct 19, 1999
Image forming apparatus
KONISHIROKU PHOTO IND28 citations93
US5799226AAug 25, 1998
Electrostatic image forming apparatus with transfer controls for different imaging modes
KONISHIROKU PHOTO IND37 citations93
US5604573AFeb 18, 1997
Developing unit with a smoothing plate
KONISHIROKU PHOTO IND21 citations93
US5822666AOct 13, 1998
Image forming apparatus including a mechanism for eliminating mechanical shock caused by a cleaning device
KONISHIROKU PHOTO IND23 citations92
US5761573AJun 2, 1998
Image forming apparatus for double-sided image formation with properly adjusted image density or color tone for each side
KONISHIROKU PHOTO IND24 citations92
US6347200B1Feb 12, 2002
Duplex image forming apparatus
KONISHIROKU PHOTO IND14 citations84
US6205301B1Mar 20, 2001
Two-sided image forming apparatus
KONISHIROKU PHOTO IND18 citations84
US5826143AOct 20, 1998
Image forming apparatus with two transfer means
KONISHIROKU PHOTO IND17 citations84
US6721526B2Apr 13, 2004
Image forming apparatus with improved developing device
KONISHIROKU PHOTO IND7 citations74
US6094552AJul 25, 2000
Image forming apparatus for printing images in accordance with at least one of first information and second information
KONISHIROKU PHOTO IND12 citations74
US6085064AJul 4, 2000
Image forming apparatus
KONISHIROKU PHOTO IND15 citations74
US6058287AMay 2, 2000
Image forming apparatus having sheet conveyance device
KONISHIROKU PHOTO IND13 citations74
US5995797ANov 30, 1999
Image forming apparatus which conveys unfixed toner images to a fixing device in an undisturbed and stable manner so that images may be formed on both sides of a sheet
KONISHIROKU PHOTO IND11 citations74
US5920744AJul 6, 1999
Image forming apparatus and method for efficiently forming images even after the occurrence of a jam
KONISHIROKU PHOTO IND13 citations74
US5905931AMay 18, 1999
Electrophotographic image forming apparatus
KONISHIROKU PHOTO IND16 citations74
US5899611AMay 4, 1999
Apparatus for forming an image on both sides of an image receiver
KONISHIROKU PHOTO IND14 citations74
US5875372AFeb 23, 1999
Image forming apparatus
KONISHIROKU PHOTO IND13 citations74
US5758204AMay 26, 1998
Duplex image forming apparatus with two image carriers and an image size discriminator
KONISHIROKU PHOTO IND14 citations74
US5701553ADec 23, 1997
Multi-color image forming apparatus having high developability without fogging and without mixing of colors
KONISHIROKU PHOTO IND14 citations74
US5602630AFeb 11, 1997
Developing device
KONISHIROKU PHOTO IND9 citations74
US6832058B2Dec 14, 2004
Image forming apparatus including a maximum charge quantity of toner particles forming useless toner
KONISHIROKU PHOTO IND5 citations63
US6360063B1Mar 19, 2002
Image forming apparatus wherein writing of an image is conducted before feeding of a transfer material is started
KONISHIROKU PHOTO IND6 citations63
US6021301AFeb 1, 2000
Image forming apparatus which is equipped with an intermediate transfer body and which prevents toner from sticking to a transfer unit
KONISHIROKU PHOTO IND4 citations63
US6737209B2May 18, 2004
Color image forming method using flattened toner
KONISHIROKU PHOTO IND0 citations52
KONICA MINOLTA BUSINESS TECH
18 patentsUS7945202B2May 17, 2011
Cleaning apparatus and image forming apparatus
KONICA MINOLTA BUSINESS TECH10 citations84
US7444098B2Oct 28, 2008
Image forming apparatus with cleaning unit
KONICA MINOLTA BUSINESS TECH6 citations70
US7639974B2Dec 29, 2009
Color image forming apparatus with pre-secondary transfer charge eliminating section
KONICA MINOLTA BUSINESS TECH4 citations63
US7593675B2Sep 22, 2009
Color image forming apparatus having a discharging unit to discharge an electrical charge of a toner image transferred on an intermediate transfer member
KONICA MINOLTA BUSINESS TECH4 citations63
US7346302B2Mar 18, 2008
Color image forming apparatus and electric charge eliminating device
KONICA MINOLTA BUSINESS TECH6 citations63
US7251442B2Jul 31, 2007
Color image forming apparatus having advanced transfer system
KONICA MINOLTA BUSINESS TECH3 citations63
US7440719B2Oct 21, 2008
Color image forming apparatus having pre-transfer discharger
KONICA MINOLTA BUSINESS TECH4 citations62
US7373100B2May 13, 2008
Color image forming apparatus having pre-transfer discharge electrode
KONICA MINOLTA BUSINESS TECH3 citations61
US7308212B2Dec 11, 2007
Color image forming apparatus
KONICA MINOLTA BUSINESS TECH4 citations61
US7298997B2Nov 20, 2007
Color image forming apparatus with pre-charging unit and potential adjustment unit
KONICA MINOLTA BUSINESS TECH6 citations61
US7260350B2Aug 21, 2007
Image forming apparatus
KONICA MINOLTA BUSINESS TECH2 citations61
US7209692B2Apr 24, 2007
Color image forming apparatus and discharging device before secondary transfer of the same
KONICA MINOLTA BUSINESS TECH5 citations61
US7593665B2Sep 22, 2009
Image forming apparatus with cleaning unit
KONICA MINOLTA BUSINESS TECH4 citations60
US7254358B2Aug 7, 2007
Color image forming apparatus
KONICA MINOLTA BUSINESS TECH1 citations50
US7486901B2Feb 3, 2009
Image forming apparatus and image forming method
KONICA MINOLTA BUSINESS TECH1 citations48
US7761042B2Jul 20, 2010
Color image forming apparatus
KONICA MINOLTA BUSINESS TECH0 citations42
US7489894B2Feb 10, 2009
Image forming apparatus with belt surface regulating member
KONICA MINOLTA BUSINESS TECH0 citations42
US7327976B2Feb 5, 2008
Color image forming apparatus
KONICA MINOLTA BUSINESS TECH0 citations40