Inventor · disambiguated record
Junichi Yokoi
Also filed as: YOKOI JUNICHI
107 granted patents·8 pending applications·331 citations·filing 1987–2025
99Inventor score
Top patents by PatentIndex Score
115 records- 0199US11675289B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2022·Granted Jun 13, 2023·5 cites·22 claims
- 0299US11067919B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2020·Granted Jul 20, 2021·6 cites·19 claims
- 0398US12235597B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2024·Granted Feb 25, 2025·2 cites·30 claims
- 0498US12135508B2Image forming apparatusBROTHER IND LTD·Filed 2023·Granted Nov 5, 2024·6 cites·14 claims
- 0598US10935925B2Image forming apparatus with a memory positioned on a drum frameBROTHER IND LTD·Filed 2020·Granted Mar 2, 2021·5 cites·20 claims
- 0698US8040368B2Image forming apparatusBROTHER IND LTD·Filed 2008·Granted Oct 18, 2011·35 cites·12 claims
- 0798US7982761B2Image forming apparatus having exposing unit positioning memberBROTHER IND LTD·Filed 2008·Granted Jul 19, 2011·29 cites·17 claims
- 0897US11860568B2Developing cartridgeBROTHER IND LTD·Filed 2022·Granted Jan 2, 2024·2 cites·8 claims
- 0997US11294325B2Image forming apparatus with a memory positioned on a drum frameBROTHER IND LTD·Filed 2021·Granted Apr 5, 2022·3 cites·4 claims
- 1097US10101706B2Image-forming apparatus including frame to which developing cartridge having electrical contact surface is attachable together with drum cartridgeBROTHER IND LTD·Filed 2017·Granted Oct 16, 2018·14 cites·9 claims
- 1196US12271144B2Developing cartridgeBROTHER IND LTD·Filed 2023·Granted Apr 8, 2025·1 cites·17 claims
- 1296US11988978B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2023·Granted May 21, 2024·1 cites·45 claims
- 1396US11853000B2Image forming apparatus with a memory positioned on a drum frameBROTHER IND LTD·Filed 2022·Granted Dec 26, 2023·2 cites·18 claims
- 1496US11275337B2Developing cartridgeBROTHER IND LTD·Filed 2021·Granted Mar 15, 2022·2 cites·8 claims
- 1596US10534312B2Developing cartridge including holder movably supporting electrical contact surfaceBROTHER IND LTD·Filed 2018·Granted Jan 14, 2020·6 cites·23 claims
- 1696US9746825B2Image forming apparatus having mountable and demountable photosensitive member cartridge and developing cartridgeBROTHER IND LTD·Filed 2016·Granted Aug 29, 2017·8 cites·17 claims
- 1796US8717398B2Image forming apparatus having exposing unit positioning memberYOKOI JUNICHI·Filed 2011·Granted May 6, 2014·16 cites·10 claims
- 1895US10031472B2Developing cartridgeBROTHER IND LTD·Filed 2016·Granted Jul 24, 2018·6 cites·31 claims
- 1995US9915915B2Image forming apparatusBROTHER IND LTD·Filed 2016·Granted Mar 13, 2018·5 cites·30 claims
- 2095US8755715B2Image forming apparatus having LED head and rotatable coverMORI SHOGO·Filed 2012·Granted Jun 17, 2014·11 cites·13 claims
- 2195US7825946B2Image forming apparatusBROTHER IND LTD·Filed 2008·Granted Nov 2, 2010·22 cites·12 claims
- 2294US11892795B2Image-forming apparatus including short-range wireless communication circuit board and relay circuit board arranged to partially overlap with each otherBROTHER IND LTD·Filed 2022·Granted Feb 6, 2024·2 cites·15 claims
- 2394US10025225B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2016·Granted Jul 17, 2018·3 cites·39 claims
- 2494US9377751B2Image forming apparatus having developer cartridge rotatable between first and second positionsBROTHER IND LTD·Filed 2015·Granted Jun 28, 2016·5 cites·21 claims
- 2593US11650518B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2022·Granted May 16, 2023·1 cites·44 claims
- 2692US12504704B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2024·Granted Dec 23, 2025·0 cites·24 claims
- 2792US10203658B2Image forming apparatus having electrical contactBROTHER IND LTD·Filed 2017·Granted Feb 12, 2019·6 cites·17 claims
- 2891US8698860B2Image forming device with exposure unit and pressing memberSUGIYAMA YOSUKE·Filed 2009·Granted Apr 15, 2014·12 cites·16 claims
- 2991US7843483B2Image forming apparatus with a plurality of exposure unitsBROTHER IND LTD·Filed 2008·Granted Nov 30, 2010·11 cites·8 claims
- 3090US10788787B2Developing cartridge including holder movably supporting electrical contact surfaceBROTHER IND LTD·Filed 2020·Granted Sep 29, 2020·2 cites·7 claims
- 3190US10649369B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2019·Granted May 12, 2020·1 cites·27 claims
- 3290US10444667B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2019·Granted Oct 15, 2019·1 cites·24 claims
- 3390US9152077B2Developing device, blade unit, and developing device manufacturing methodBROTHER IND LTD·Filed 2014·Granted Oct 6, 2015·4 cites·25 claims
- 3489US10254681B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2018·Granted Apr 9, 2019·1 cites·25 claims
- 3589US2025068120A1Developing cartridgeBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 3688US11221567B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2020·Granted Jan 11, 2022·1 cites·7 claims
- 3788US8111277B2Image forming apparatus with a plurality of exposure unitsYOKOI JUNICHI·Filed 2010·Granted Feb 7, 2012·4 cites·8 claims
- 3887US11073786B2Developing cartridgeBROTHER IND LTD·Filed 2020·Granted Jul 27, 2021·1 cites·21 claims
- 3987US10203651B2Developing CartridgeBROTHER IND LTD·Filed 2018·Granted Feb 12, 2019·1 cites·28 claims
- 4087US2025028262A1Image forming apparatusBROTHER IND LTD·Filed 2024·Application pending·0 cites
- 4186US12405552B2Developing cartridge capable of reducing size of image forming apparatusBROTHER IND LTD·Filed 2025·Granted Sep 2, 2025·0 cites·20 claims
- 4286US11067944B2Developing cartridge including holder movably supporting electrical contact surfaceBROTHER IND LTD·Filed 2020·Granted Jul 20, 2021·1 cites·20 claims
- 4385US10180653B2Image forming apparatusBROTHER IND LTD·Filed 2018·Granted Jan 15, 2019·1 cites·17 claims
- 4485US9025997B2Image forming apparatus having detachably mounted process cartridge and fixed exposure deviceYOKOI JUNICHI·Filed 2012·Granted May 5, 2015·4 cites·9 claims
- 4583US12242220B2Image forming apparatus with a memory positioned on a drum frameBROTHER IND LTD·Filed 2023·Granted Mar 4, 2025·0 cites·3 claims
- 4683US9658560B2Exposing device and image forming apparatusBROTHER IND LTD·Filed 2015·Granted May 23, 2017·2 cites·14 claims
- 4783US9535361B2Image forming apparatus and method of controlling beam scanning deviceBROTHER IND LTD·Filed 2016·Granted Jan 3, 2017·2 cites·10 claims
- 4882US11809094B2Image forming apparatusBROTHER IND LTD·Filed 2022·Granted Nov 7, 2023·0 cites·20 claims
- 4982US9056490B2Optical scanning deviceBROTHER IND LTD·Filed 2014·Granted Jun 16, 2015·3 cites·16 claims
- 5081US8207995B2Image forming apparatusTAMARU YASUO·Filed 2009·Granted Jun 26, 2012·6 cites·13 claims
Showing the top 50 of 115 patent records by PatentIndex Score.
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