Inventor
OKABE YASUSHI
JP215 patents
⚠️ This page may combine multiple inventors who share the name “OKABE YASUSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
39 patentsUS6823160B2Nov 23, 2004
Developing device and image forming apparatus having a gear holder
BROTHER IND LTD156 citations99
US6546217B2Apr 8, 2003
Photosensitive member cartridge
BROTHER IND LTD80 citations99
US6411789B1Jun 25, 2002
Photosensitive member cartridge
BROTHER IND LTD91 citations99
US6330410B1Dec 11, 2001
Photosensitive member cartridge
BROTHER IND LTD153 citations99
US6101350AAug 8, 2000
Photosensitive member cartridge and developer cartridge for use in an image-forming apparatus
BROTHER IND LTD154 citations99
US6041203AMar 21, 2000
Process unit, photosensitive member cartridge, developer cartridge, and image forming apparatus
BROTHER IND LTD223 citations99
US7756443B2Jul 13, 2010
Image forming apparatus and developing cartridge having driving input and guide
BROTHER IND LTD70 citations98
US7720405B2May 18, 2010
Image forming apparatus
BROTHER IND LTD67 citations98
US6751428B2Jun 15, 2004
Image forming device and detachably loaded process unit
BROTHER IND LTD79 citations98
USD422304SApr 4, 2000
Toner cartridge
BROTHER IND LTD87 citations98
US7426355B2Sep 16, 2008
Tandem photosensitive-member unit having grip part
BROTHER IND LTD28 citations96
US6690903B2Feb 10, 2004
Photosensitive member cartridge
BROTHER IND LTD52 citations96
USD471583SMar 11, 2003
Photosensitive drum unit
BROTHER IND LTD69 citations96
USD471228SMar 4, 2003
Toner cartridge
BROTHER IND LTD67 citations96
USD423559SApr 25, 2000
Image forming device for printer
BROTHER IND LTD72 citations96
US5229824AJul 20, 1993
Developer material supplying device for integral type processing unit assembled in electrophotographic type image recording apparatus
BROTHER IND LTD70 citations96
US8358952B2Jan 22, 2013
Tandem-type process unit removably loaded in image forming device
BROTHER IND LTD23 citations93
US8041248B2Oct 18, 2011
Image forming apparatus, image forming cartridge supporter, and image forming unit
BROTHER IND LTD12 citations93
US7835665B2Nov 16, 2010
Photosensitive unit and image forming apparatus
BROTHER IND LTD26 citations93
US7747190B2Jun 29, 2010
Image forming device with holding unit engagement mechanism
BROTHER IND LTD14 citations93
US7711282B2May 4, 2010
Image forming apparatus, image forming cartridge supporter, and image forming unit
BROTHER IND LTD19 citations93
US7684728B2Mar 23, 2010
Image forming apparatus, process unit and developing cartridge
BROTHER IND LTD37 citations93
US7636528B2Dec 22, 2009
Image-forming device including image-forming section, paper supply unit, and discharge unit and ornamental member therefor
BROTHER IND LTD17 citations93
US7620347B2Nov 17, 2009
Developing device and image forming apparatus having a gear holder
BROTHER IND LTD20 citations93
USD596663SJul 21, 2009
Printer cartridge
BROTHER IND LTD24 citations93
US7522858B2Apr 21, 2009
Photosensitive-member unit and image forming apparatus
BROTHER IND LTD22 citations93
USD588190SMar 10, 2009
Printer cartridge
BROTHER IND LTD22 citations93
US7395008B2Jul 1, 2008
Image formation apparatus and photoreceptor cartridge
BROTHER IND LTD18 citations93
US7274894B2Sep 25, 2007
Image formation apparatus and photoreceptor cartridge
BROTHER IND LTD27 citations93
US7245850B2Jul 17, 2007
Photosensitive member cartridge
BROTHER IND LTD10 citations93
US7174117B2Feb 6, 2007
Image forming device and detachably loaded process unit
BROTHER IND LTD23 citations93
US7136613B2Nov 14, 2006
Multicolor image forming apparatus and image making device
BROTHER IND LTD20 citations93
US6873810B2Mar 29, 2005
Photosensitive member cartridge
BROTHER IND LTD18 citations93
US5987277ANov 16, 1999
System for transferring toner to and from a photosensitive drum in a printing process unit
BROTHER IND LTD20 citations93
US5153640AOct 6, 1992
Image recording apparatus having a recording unit detachably assembled therein with a selectively opened portion
BROTHER IND LTD36 citations93
US7792464B2Sep 7, 2010
Image-forming device having mechanism for separating developing rollers from photosensitive drums
BROTHER IND LTD15 citations92
US5231453AJul 27, 1993
Image recording apparatus with rolled protective cover for process unit
BROTHER IND LTD30 citations92
US11237514B2Feb 1, 2022
Image forming apparatus, image forming cartridge supporter, and image forming unit
BROTHER IND LTD2 citations84
US10838350B2Nov 17, 2020
Image forming apparatus, image forming cartridge supporter, and image forming unit
BROTHER IND LTD2 citations84
OKABE YASUSHI
9 patentsUS8731438B2May 20, 2014
Image forming device and cartridge that transmit a driving force
OKABE YASUSHI61 citations98
US8774671B2Jul 8, 2014
Developing cartridge capable of providing stabilized electrical power supply to developing roller
OKABE YASUSHI24 citations93
US8768197B2Jul 1, 2014
Image forming apparatus, image forming cartridge supporter, and image forming unit
OKABE YASUSHI8 citations93
US8559845B2Oct 15, 2013
Image forming apparatus and tandem type photosensitive unit
OKABE YASUSHI16 citations93
US8483588B2Jul 9, 2013
Image forming apparatus, image forming cartridge supporter, and image forming unit
OKABE YASUSHI9 citations93
US8417141B2Apr 9, 2013
Image forming apparatus
OKABE YASUSHI11 citations93
US8249482B2Aug 21, 2012
Image forming apparatus, image forming cartridge supporter, and image forming unit
OKABE YASUSHI9 citations93
US8150294B2Apr 3, 2012
Image forming apparatus having moving mechanism for moving exposure member relative to photoconductor
OKABE YASUSHI26 citations93
US8078085B2Dec 13, 2011
Image forming apparatus
OKABE YASUSHI34 citations93
HASHIMOTO JUNICHI
2 patentsShowing the top 50 of 215 patents by PatentIndex Score.