Inventor
YOKOI JUNICHI
JP107 patents
⚠️ This page may combine multiple inventors who share the name “YOKOI JUNICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BROTHER IND LTD
41 patentsUS8040368B2Oct 18, 2011
Image forming apparatus
BROTHER IND LTD35 citations93
US7982761B2Jul 19, 2011
Image forming apparatus having exposing unit positioning member
BROTHER IND LTD29 citations93
US7825946B2Nov 2, 2010
Image forming apparatus
BROTHER IND LTD22 citations92
US11675289B2Jun 13, 2023
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD5 citations86
US12135508B2Nov 5, 2024
Image forming apparatus
BROTHER IND LTD6 citations85
US11067919B2Jul 20, 2021
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD6 citations84
US10935925B2Mar 2, 2021
Image forming apparatus with a memory positioned on a drum frame
BROTHER IND LTD5 citations84
US10534312B2Jan 14, 2020
Developing cartridge including holder movably supporting electrical contact surface
BROTHER IND LTD6 citations84
US10101706B2Oct 16, 2018
Image-forming apparatus including frame to which developing cartridge having electrical contact surface is attachable together with drum cartridge
BROTHER IND LTD14 citations84
US10031472B2Jul 24, 2018
Developing cartridge
BROTHER IND LTD6 citations84
US10025225B2Jul 17, 2018
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD3 citations84
US9915915B2Mar 13, 2018
Image forming apparatus
BROTHER IND LTD5 citations84
US9746825B2Aug 29, 2017
Image forming apparatus having mountable and demountable photosensitive member cartridge and developing cartridge
BROTHER IND LTD8 citations84
US9377751B2Jun 28, 2016
Image forming apparatus having developer cartridge rotatable between first and second positions
BROTHER IND LTD5 citations84
US7843483B2Nov 30, 2010
Image forming apparatus with a plurality of exposure units
BROTHER IND LTD11 citations84
US12271144B2Apr 8, 2025
Developing cartridge
BROTHER IND LTD1 citations75
US12235597B2Feb 25, 2025
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD2 citations75
US11988978B2May 21, 2024
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD1 citations73
US11892795B2Feb 6, 2024
Image-forming apparatus including short-range wireless communication circuit board and relay circuit board arranged to partially overlap with each other
BROTHER IND LTD2 citations73
US11860568B2Jan 2, 2024
Developing cartridge
BROTHER IND LTD2 citations73
US11853000B2Dec 26, 2023
Image forming apparatus with a memory positioned on a drum frame
BROTHER IND LTD2 citations73
US11650518B2May 16, 2023
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD1 citations73
US11294325B2Apr 5, 2022
Image forming apparatus with a memory positioned on a drum frame
BROTHER IND LTD3 citations73
US11275337B2Mar 15, 2022
Developing cartridge
BROTHER IND LTD2 citations73
US11221567B2Jan 11, 2022
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD1 citations73
US11073786B2Jul 27, 2021
Developing cartridge
BROTHER IND LTD1 citations73
US11067944B2Jul 20, 2021
Developing cartridge including holder movably supporting electrical contact surface
BROTHER IND LTD1 citations73
US10788787B2Sep 29, 2020
Developing cartridge including holder movably supporting electrical contact surface
BROTHER IND LTD2 citations73
US10649369B2May 12, 2020
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD1 citations73
USD865051SOct 29, 2019
Toner cartridge
BROTHER IND LTD4 citations73
US10444667B2Oct 15, 2019
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD1 citations73
US10254681B2Apr 9, 2019
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD1 citations73
US10203658B2Feb 12, 2019
Image forming apparatus having electrical contact
BROTHER IND LTD6 citations73
US10203651B2Feb 12, 2019
Developing Cartridge
BROTHER IND LTD1 citations73
US10180653B2Jan 15, 2019
Image forming apparatus
BROTHER IND LTD1 citations73
US9658560B2May 23, 2017
Exposing device and image forming apparatus
BROTHER IND LTD2 citations73
US9588455B2Mar 7, 2017
Image forming apparatus
BROTHER IND LTD2 citations73
US9535361B2Jan 3, 2017
Image forming apparatus and method of controlling beam scanning device
BROTHER IND LTD2 citations73
US9229357B2Jan 5, 2016
Developing device, blade assembly, and developing device manufacturing method
BROTHER IND LTD3 citations73
US9152077B2Oct 6, 2015
Developing device, blade unit, and developing device manufacturing method
BROTHER IND LTD4 citations73
US12504704B2Dec 23, 2025
Developing cartridge capable of reducing size of image forming apparatus
BROTHER IND LTD0 citations63
YOKOI JUNICHI
5 patentsUS8717398B2May 6, 2014
Image forming apparatus having exposing unit positioning member
YOKOI JUNICHI16 citations92
US5002097AMar 26, 1991
Harness frame to shedding lever connector
YOKOI JUNICHI7 citations74
US4771812ASep 20, 1988
Connector for joining a wire type body to a machine element
YOKOI JUNICHI11 citations74
US9229397B2Jan 5, 2016
Image forming apparatus
YOKOI JUNICHI3 citations73
US9025997B2May 5, 2015
Image forming apparatus having detachably mounted process cartridge and fixed exposure device
YOKOI JUNICHI4 citations73
MORI SHOGO
1 patentSUGIYAMA YOSUKE
1 patentTAMARU YASUO
1 patentSAKAI TOSHIO
1 patentShowing the top 50 of 107 patents by PatentIndex Score.