P

Inventor

SHIRAKI MASATOSHI

JP54 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAKI MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROTHER IND LTD

31 patents
US7526228B2Apr 28, 2009

Developer cartridge, image carrier unit, and image forming apparatus

BROTHER IND LTD100 citations98
US7565092B2Jul 21, 2009

Photosensitive member cartridge, developer cartridge and process cartridge with at least one engaging portion

BROTHER IND LTD26 citations96
US7450882B2Nov 11, 2008

Attachable/detachable guiding member, developer cartridge including attachable/detachable guiding member and process cartridge including attachable/detachable guiding member

BROTHER IND LTD28 citations96
US7369792B2May 6, 2008

Photosensitive member cartridge, developer cartridge and process cartridge that are capable of being attachable/detachable using at least one projecting portion

BROTHER IND LTD42 citations96
US7835665B2Nov 16, 2010

Photosensitive unit and image forming apparatus

BROTHER IND LTD26 citations93
US8020853B2Sep 20, 2011

Image forming apparatus and sheet feeding apparatus

BROTHER IND LTD8 citations84
US7715755B2May 11, 2010

Image forming apparatus and developing cartridge with deformable handle

BROTHER IND LTD11 citations84
US7561827B2Jul 14, 2009

Developing cartridge having a handle that contacts an exposure unit when installed in an image forming apparatus

BROTHER IND LTD8 citations84
US7522860B2Apr 21, 2009

Developer cartridge for image-forming device

BROTHER IND LTD14 citations84
US7292802B2Nov 6, 2007

Developing apparatus and assembly method of developing apparatus

BROTHER IND LTD13 citations84
US7555239B2Jun 30, 2009

Image forming device and fixing unit

BROTHER IND LTD7 citations73
US12117766B2Oct 15, 2024

Process unit

BROTHER IND LTD0 citations63
US11269289B2Mar 8, 2022

Process unit

BROTHER IND LTD0 citations63
US9274494B2Mar 1, 2016

Image forming apparatus

BROTHER IND LTD2 citations63
US8346125B2Jan 1, 2013

Process cartridge and developing cartridge

BROTHER IND LTD2 citations63
US7885564B2Feb 8, 2011

Image forming device

BROTHER IND LTD2 citations63
US7813672B2Oct 12, 2010

Image forming apparatus and developer cartridge

BROTHER IND LTD2 citations63
US7437096B2Oct 14, 2008

Image forming device and fixing unit

BROTHER IND LTD4 citations62
US12216430B2Feb 4, 2025

Image forming apparatus and process cartridge

BROTHER IND LTD0 citations61
US11892797B2Feb 6, 2024

Image forming apparatus

BROTHER IND LTD0 citations61
US10520885B2Dec 31, 2019

Process unit

BROTHER IND LTD0 citations52
US10379489B2Aug 13, 2019

Process unit

BROTHER IND LTD0 citations52
US10036998B2Jul 31, 2018

Process unit

BROTHER IND LTD0 citations52
US9612572B2Apr 4, 2017

Process unit

BROTHER IND LTD0 citations52
US9612548B2Apr 4, 2017

Cartridge provided with pivotable member for new product detection

BROTHER IND LTD0 citations52
US9335731B2May 10, 2016

Process unit

BROTHER IND LTD0 citations52
US9280082B2Mar 8, 2016

Developing device

BROTHER IND LTD0 citations52
US7603057B2Oct 13, 2009

Photosensitive unit and developer cartridge

BROTHER IND LTD1 citations52
US10459371B2Oct 29, 2019

Image forming apparatus including drum cartridge

BROTHER IND LTD0 citations42
US9501030B2Nov 22, 2016

Image forming apparatus

BROTHER IND LTD0 citations42
US9207564B2Dec 8, 2015

Image forming apparatus

BROTHER IND LTD0 citations40

SHIRAKI MASATOSHI

13 patents
US9110441B2Aug 18, 2015

Cartridge detachably mounted on main casing

SHIRAKI MASATOSHI31 citations94
US8494419B2Jul 23, 2013

Processing unit including developing roller having roller body and covering layer covering circumferential surface of roller body, and supporting member that supports developing roller

SHIRAKI MASATOSHI35 citations94
US8948617B2Feb 3, 2015

Cartridge provided with pivotable member for new product detection

SHIRAKI MASATOSHI17 citations92
US8620180B2Dec 31, 2013

Process cartridge and developing cartridge

SHIRAKI MASATOSHI22 citations92
US8233820B2Jul 31, 2012

Process unit

SHIRAKI MASATOSHI13 citations92
US8611787B2Dec 17, 2013

Process unit

SHIRAKI MASATOSHI6 citations84
US8781377B2Jul 15, 2014

Developing device

SHIRAKI MASATOSHI4 citations73
US9042776B2May 26, 2015

Process unit

SHIRAKI MASATOSHI0 citations52
US8693919B2Apr 8, 2014

Image forming apparatus

SHIRAKI MASATOSHI1 citations52
US8107859B2Jan 31, 2012

Configuration for an agitation system in a developing device and process cartridge

SHIRAKI MASATOSHI1 citations52
US9229377B2Jan 5, 2016

Image forming apparatus

SHIRAKI MASATOSHI0 citations42
US8412065B2Apr 2, 2013

Image forming apparatus with developing roller cleaning capability

SHIRAKI MASATOSHI0 citations42
US8131172B2Mar 6, 2012

Image forming apparatus

SHIRAKI MASATOSHI0 citations42

SHINOYA SHOTA

1 patent
US8744288B2Jun 3, 2014

Cartridge

SHINOYA SHOTA17 citations81

MORI HIROKI

1 patent
US8761634B2Jun 24, 2014

Cartridge assembly of an image forming device including a drum cartridge and a developing cartridge detachably mountable on the drum cartridge

MORI HIROKI5 citations73

ISHII MASAHIRO

1 patent
US8265515B2Sep 11, 2012

Process cartridge including cleaning member for cleaning charging wire

ISHII MASAHIRO2 citations62

ADACHI AYA

1 patent
US9141071B2Sep 22, 2015

Image forming apparatus provided with cleaning member capable of reliably cleaning image bearing member

ADACHI AYA2 citations58

HANDA HIROSHI

1 patent
US8126345B2Feb 28, 2012

Image forming device

HANDA HIROSHI0 citations52

HASHIMOTO JUNICHI

1 patent
US8867964B2Oct 21, 2014

Rotary body unit

HASHIMOTO JUNICHI0 citations40

Showing the top 50 of 54 patents by PatentIndex Score.