Inventor
SHIMAZU FUMIO
JP35 patents
⚠️ This page may combine multiple inventors who share the name “SHIMAZU FUMIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHARP KK
33 patentsUS7257351B2Aug 14, 2007
Detaching/attaching mechanism and image forming device
SHARP KK25 citations92
US6301023B1Oct 9, 2001
Image forming apparatus
SHARP KK28 citations92
US6134415AOct 17, 2000
Roller/belt type multiple color image transfer apparatus including decreasing contact region widths between successive image support/transfer roller pairs and common power Supply for transfer means and charger means
SHARP KK36 citations92
US6108514AAug 22, 2000
Sheet conveying system
SHARP KK39 citations92
US6002904ADec 14, 1999
Image forming apparatus having light projecting unit for projecting light on image carrier prior to transfer of toner image
SHARP KK21 citations92
US5812923ASep 22, 1998
Image forming apparatus equipped with register rollers for curling transfer paper
SHARP KK25 citations92
US5799225AAug 25, 1998
Image forming apparatus having variable transfer and attraction voltage
SHARP KK19 citations92
US5592270AJan 7, 1997
Developing device in an electrophotographic apparatus capable of controlling a discharge of deteriorated developer and method of discharging deteriorated developer
SHARP KK38 citations92
US5084627AJan 28, 1992
Sheet detecting device for use in an image forming device for detecting presence or absence of a sheet, a right or wrong side of a sheet and the kind of sheet
SHARP KK37 citations92
US6889027B2May 3, 2005
Multicolored image forming apparatus for forming multicolored and monochromatic images
SHARP KK13 citations84
US5623329AApr 22, 1997
Transfer device for an image forming apparatus
SHARP KK16 citations82
US6160972ADec 12, 2000
Image forming apparatus
SHARP KK7 citations74
US5745820AApr 28, 1998
Image forming apparatus with a potential generating device
SHARP KK16 citations74
US5697034ADec 9, 1997
Image forming apparatus which stably holds a uniform surface potential of a transfer device
SHARP KK12 citations74
US6876820B2Apr 5, 2005
Image forming apparatus
SHARP KK7 citations73
US6259869B1Jul 10, 2001
Image forming apparatus
SHARP KK4 citations73
US6233422B1May 15, 2001
Image forming apparatus having transfer drum with transfer paper charging member
SHARP KK8 citations73
US6081685AJun 27, 2000
Transfer apparatus having a transfer drum
SHARP KK9 citations73
US6026256AFeb 15, 2000
Image forming apparatus
SHARP KK5 citations73
US5471283ANov 28, 1995
Device for preventing breakdown of contact charger for use in electrophotographic printing machine
SHARP KK12 citations73
US5459555AOct 17, 1995
Electronic image forming apparatus
SHARP KK7 citations71
US7302217B2Nov 27, 2007
Image forming apparatus and transfer apparatus employing endless belt
SHARP KK3 citations63
US7162178B2Jan 9, 2007
Transfer device and image forming apparatus
SHARP KK5 citations63
US5317345AMay 31, 1994
Image formation apparatus having erasing means responsive to operation status
SHARP KK6 citations63
US6957022B2Oct 18, 2005
Image forming apparatus
SHARP KK3 citations62
US6169862B1Jan 2, 2001
Image forming apparatus with nip time changing device
SHARP KK1 citations62
US6097923AAug 1, 2000
Image forming method and apparatus
SHARP KK4 citations62
US6081686AJun 27, 2000
Image forming apparatus having transfer drum with specific construction
SHARP KK2 citations62
US6078772AJun 20, 2000
Image-forming apparatus
SHARP KK5 citations62
US7313338B2Dec 25, 2007
Image transfer device
SHARP KK3 citations60
US5598252AJan 28, 1997
Electronic image forming apparatus with reduced residual carrier and toner attraction
SHARP KK2 citations60
US5077575ADec 31, 1991
Image forming apparatus equipped with a bucket for accommodating a photosensitive sheet cartridge
SHARP KK4 citations59
US6118954ASep 12, 2000
Image forming apparatus having transfer roller with charge-removing and cleaning devices
SHARP KK0 citations52