Inventor
MAKINO KAZUMASA
JP35 patents
Patents
35 patentsUS5608501AMar 4, 1997
Development unit and toner cartridge for use in an image formation apparatus
BROTHER IND LTD157 citations99
US5913097AJun 15, 1999
Developing device, image forming apparatus, and toner fillable cartridge that includes an agitator having a first medium and a second medium
BROTHER IND LTD77 citations96
US5630198AMay 13, 1997
Toner fillable cartridge having protrusions engageable with a development case shutter
BROTHER IND LTD47 citations96
US5890034AMar 30, 1999
Developing device for image forming apparatus and toner cartridge for use in the developing device
BROTHER IND LTD42 citations93
US6308952B1Oct 30, 2001
Paper sheet discharge apparatus
BROTHER IND LTD48 citations92
US6295081B1Sep 25, 2001
Recording medium discharge apparatus and image forming apparatus equipped with recording medium discharge apparatus
BROTHER IND LTD21 citations92
US6145831ANov 14, 2000
Sheet feeder capable of eliminating overlapping sheet feed
BROTHER IND LTD20 citations92
US5771427AJun 23, 1998
Blow-moled toner fillable cartridge and a method for forming same
BROTHER IND LTD25 citations92
US5697014ADec 9, 1997
Toner level detecting device having a substantially non-uniform width and toner storage box having same
BROTHER IND LTD18 citations92
US5678147AOct 14, 1997
Toner containing device having integrally molded shaft and blade assembly and method for feeding toner into a development case of a development device
BROTHER IND LTD21 citations92
US5612770AMar 18, 1997
Developing device with partition member of varying length
BROTHER IND LTD31 citations92
US7190921B2Mar 13, 2007
Developing cartridge, photosensitive member cartridge, process unit, and image forming apparatus
BROTHER IND LTD21 citations91
US7529499B2May 5, 2009
Image forming unit and image forming apparatus having the same
BROTHER IND LTD9 citations84
US6738596B2May 18, 2004
Image forming device regulating sheet conveying timings
BROTHER IND LTD13 citations83
US7505707B2Mar 17, 2009
Image forming unit and image forming apparatus having the same to which storage trays having various storage capacities can be removably attached
BROTHER IND LTD7 citations74
US6389243B2May 14, 2002
Developing device capable of reliably charging developing agent
BROTHER IND LTD10 citations74
US5761585AJun 2, 1998
Cap for toner fillable container and toner fillable container using same
BROTHER IND LTD10 citations74
USD381677SJul 29, 1997
Toner cartridge
BROTHER IND LTD15 citations74
US5576814ANov 19, 1996
Developing unit using toner having a magnetic shield between the agitation chamber and a developing roller
BROTHER IND LTD7 citations74
US4984016AJan 8, 1991
Cassette for photo-sensitive recording medium
BROTHER IND LTD7 citations74
US7389982B2Jun 24, 2008
Image forming device capable of feeding paper smoothly
BROTHER IND LTD8 citations73
US6978113B2Dec 20, 2005
Image forming device regulating sheet conveying timings
BROTHER IND LTD11 citations73
US6697601B1Feb 24, 2004
Image forming device having sheet sensors
BROTHER IND LTD9 citations73
US6331003B1Dec 18, 2001
Recording medium discharging apparatus and image forming apparatus provided therewith
BROTHER IND LTD13 citations73
US6173951B1Jan 16, 2001
Sheet feeder for feeding one sheet at a time from sheet stack regardless of thickness and weight of sheets
BROTHER IND LTD8 citations73
US6082726AJul 4, 2000
Sheet supply roller for use in sheet supply unit
BROTHER IND LTD12 citations73
US7085519B2Aug 1, 2006
Drive train for an image forming apparatus
BROTHER IND LTD4 citations63
US6650852B2Nov 18, 2003
Image forming apparatus having a fixing device
BROTHER IND LTD2 citations63
US5066972ANov 19, 1991
Image forming apparatus with positional adjustment of exposure area according to image size
BROTHER IND LTD2 citations63
US4970548ANov 13, 1990
Image recording apparatus
BROTHER IND LTD5 citations63
US4958781ASep 25, 1990
Cassette for photo-sensistive recording medium
BROTHER IND LTD2 citations63
US4984009AJan 8, 1991
Imaging device having means to accurately superpose sheets in the developing process
BROTHER IND LTD4 citations62
US4893147AJan 9, 1990
Color picture image recording apparatus
BROTHER IND LTD6 citations62
US4992823AFeb 12, 1991
Image recording apparatus feasible for replacement of image recording medium
BROTHER IND LTD0 citations42
US4942430AJul 17, 1990
Image recording apparatus having separated optical and developing units
BROTHER IND LTD0 citations41