P

Inventor

FUKAMACHI YASUO

JP131 patents
⚠️ This page may combine multiple inventors who share the name “FUKAMACHI YASUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BROTHER IND LTD

38 patents
US9383720B1Jul 5, 2016

Process cartridge and drum cartridge

BROTHER IND LTD24 citations94
US10310413B2Jun 4, 2019

Developing cartridge including developing roller having developing roller shaft

BROTHER IND LTD11 citations93
US9785093B2Oct 10, 2017

Developing cartridge including developing roller having developing roller shaft

BROTHER IND LTD12 citations93
US9557684B2Jan 31, 2017

Developing cartridge including developing roller having developing roller shaft

BROTHER IND LTD10 citations93
US9494914B2Nov 15, 2016

Developing cartridge including developing roller having developing roller shaft

BROTHER IND LTD10 citations93
US9207567B2Dec 8, 2015

Cap configuration for a toner cartridge

BROTHER IND LTD17 citations92
US8948661B2Feb 3, 2015

Cap configuration for a toner cartridge

BROTHER IND LTD16 citations92
US8867932B2Oct 21, 2014

Cartridge and image forming apparatus

BROTHER IND LTD21 citations92
US7953339B2May 31, 2011

Image forming device and cartridge being electrically connected by terminals

BROTHER IND LTD29 citations92
USD594899SJun 23, 2009

Photosensitive drum unit

BROTHER IND LTD17 citations92
US11119438B2Sep 14, 2021

Image forming apparatus and toner cartridge

BROTHER IND LTD5 citations84
US10928750B2Feb 23, 2021

Developing cartridge including protrusion positioned at outer surface of casing

BROTHER IND LTD4 citations84
US10551768B2Feb 4, 2020

Developing cartridge including protrusion positioned at outer surface of casing

BROTHER IND LTD6 citations84
US10108138B2Oct 23, 2018

Image forming apparatus including process cartridge having a toner cartridge detachably attached to a drum cartridge

BROTHER IND LTD4 citations84
US10054901B1Aug 21, 2018

Developing cartridge including first gear, second gear, and protrusion movable together with second gear

BROTHER IND LTD7 citations84
US9857731B2Jan 2, 2018

Developing cartridge including protrusion positioned at outer surface of casing

BROTHER IND LTD8 citations84
USD795340SAug 22, 2017

Toner cartridge

BROTHER IND LTD11 citations84
USD783087SApr 4, 2017

Photosensitive drum unit

BROTHER IND LTD9 citations84
USD601184SSep 29, 2009

Photosensitive drum unit

BROTHER IND LTD15 citations84
USD594900SJun 23, 2009

Photosensitive drum unit

BROTHER IND LTD13 citations84
US12092992B2Sep 17, 2024

Developing cartridge including developing roller and coupling

BROTHER IND LTD2 citations73
US11934113B2Mar 19, 2024

Developing cartridge including protrusion positioned at outer surface of casing

BROTHER IND LTD2 citations73
US11740583B2Aug 29, 2023

Image forming apparatus

BROTHER IND LTD2 citations73
US11733639B2Aug 22, 2023

Image forming apparatus and toner cartridge

BROTHER IND LTD2 citations73
US11249438B2Feb 15, 2022

Image forming apparatus

BROTHER IND LTD2 citations73
US10303113B2May 28, 2019

Developing cartridge comprising mechanism for information detection

BROTHER IND LTD1 citations73
US10073409B2Sep 11, 2018

Developing cartridge comprising mechanism for information detection

BROTHER IND LTD2 citations73
US9904237B2Feb 27, 2018

Developing cartridge including protrusion pivotally movable relative to casing

BROTHER IND LTD4 citations73
US9864329B2Jan 9, 2018

Developer cartridge provided with gear including protrusion

BROTHER IND LTD4 citations73
US9846405B2Dec 19, 2017

Developing cartridge comprising mechanism for information detection

BROTHER IND LTD4 citations73
USD795341SAug 22, 2017

Toner cartridge

BROTHER IND LTD4 citations73
US9310759B2Apr 12, 2016

Process cartridge provided with cleaning unit

BROTHER IND LTD4 citations73
US9207632B2Dec 8, 2015

Developing cartridge provided with detection body

BROTHER IND LTD4 citations73
US11762312B2Sep 19, 2023

Developing cartridge including movable plate for moving holder holding electrical contact surface

BROTHER IND LTD3 citations72
US12287604B2Apr 29, 2025

Image forming apparatus including locking member configured to lock photosensitive drum relative to drawer

BROTHER IND LTD0 citations63
US12259680B2Mar 25, 2025

Image forming apparatus

BROTHER IND LTD0 citations63
US12210300B2Jan 28, 2025

Developing cartridge including movable plate for moving holder holding electrical contact surface

BROTHER IND LTD1 citations63
US12130576B2Oct 29, 2024

Image forming apparatus and toner cartridge

BROTHER IND LTD0 citations63

FUKAMACHI YASUO

5 patents
USD694815SDec 3, 2013

Toner cartridge

FUKAMACHI YASUO21 citations92
USD694816SDec 3, 2013

Toner cartridge

FUKAMACHI YASUO24 citations92
US8938187B2Jan 20, 2015

Process cartridge

FUKAMACHI YASUO10 citations84
USD694814SDec 3, 2013

Photosensitive drum unit

FUKAMACHI YASUO9 citations84
US8983346B2Mar 17, 2015

Development device

FUKAMACHI YASUO4 citations73

MUSHIKA MOTOAKI

3 patents
US8761643B2Jun 24, 2014

Cap configuration for a toner cartridge

MUSHIKA MOTOAKI17 citations92
US8666293B2Mar 4, 2014

Cap configuration for a toner cartridge

MUSHIKA MOTOAKI18 citations92
US8594526B2Nov 26, 2013

Developing cartridge and image forming apparatus

MUSHIKA MOTOAKI9 citations84

ITABASHI NAO

2 patents
US9008522B2Apr 14, 2015

Developing cartridge having housing and developing roller

ITABASHI NAO10 citations93
US8995846B2Mar 31, 2015

Cartridge mountable on image-forming apparatus

ITABASHI NAO5 citations73

UKAI MASAMITSU

1 patent
US8463145B2Jun 11, 2013

Cartridge

UKAI MASAMITSU58 citations97

SHIRAKI MASATOSHI

1 patent
US8948617B2Feb 3, 2015

Cartridge provided with pivotable member for new product detection

SHIRAKI MASATOSHI17 citations92

Showing the top 50 of 131 patents by PatentIndex Score.