Inventor · disambiguated record
Tomoyuki Yoshii
Also filed as: YOSHII TOMOYUKI
28 granted patents·9 pending applications·72 citations·filing 1993–2024
94Inventor score
Technology areasG03G
Files withFUJI XEROX CO LTD20NEC CORP8FUJIFILM BUSINESS INNOVATION CORP7SAKOH KIYOSHI1WATANABE YOICHI1
Top patents by PatentIndex Score
37 records- 0198US10877400B1Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted Dec 29, 2020·11 cites·20 claims
- 0293US8989637B2Developing device and image forming deviceFUJI XEROX CO LTD·Filed 2013·Granted Mar 24, 2015·10 cites·19 claims
- 0388US10996588B1Powder transport apparatusFUJI XEROX CO LTD·Filed 2020·Granted May 4, 2021·2 cites·19 claims
- 0473US8660470B2Developing device and image forming apparatus including the sameWATANABE YOICHI·Filed 2012·Granted Feb 25, 2014·2 cites·6 claims
- 0572US6580443B2Color image forming device with simplified optical unit incorporating a laser sourceFUJI XEROX CO LTD·Filed 2001·Granted Jun 17, 2003·14 cites·17 claims
- 0670US6472115B2Image forming apparatus and image forming methodNEC CORP·Filed 2001·Granted Oct 29, 2002·12 cites·57 claims
- 0762US10613454B1Developing device and image forming apparatus with exhaust port for discharging airFUJI XEROX CO LTD·Filed 2019·Granted Apr 7, 2020·0 cites·16 claims
- 0857US11506995B2Developing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Nov 22, 2022·0 cites·11 claims
- 0957US10739699B1Developing device having a delivery unit to transport collected developer and image forming apparatus having the sameFUJI XEROX CO LTD·Filed 2019·Granted Aug 11, 2020·0 cites·12 claims
- 1057US10591843B2Image forming apparatus and developing deviceFUJI XEROX CO LTD·Filed 2018·Granted Mar 17, 2020·0 cites·4 claims
- 1156US10908528B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Feb 2, 2021·0 cites·9 claims
- 1254US10890859B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Jan 12, 2021·0 cites·5 claims
- 1353US2025102949A1Developing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 1453US2025102961A1Developing apparatus and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 1552US6413689B1Porous photosensitive body and method of manufacturing sameNEC CORP·Filed 2000·Granted Jul 2, 2002·5 cites·37 claims
- 1652US2025102956A1Developing apparatus and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 1748US11506997B1Developing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Nov 22, 2022·0 cites·20 claims
- 1848US8948662B2Two-component developer, developing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2013·Granted Feb 3, 2015·0 cites·3 claims
- 1948US6445897B2Wet-type developing apparatus and image forming apparatus using the sameNEC CORP·Filed 2001·Granted Sep 3, 2002·5 cites·9 claims
- 2047US11609511B2Developing device and image forming apparatus having a reverse helical blade on a downstream end of a developer transport pathFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Mar 21, 2023·0 cites·19 claims
- 2145US11036162B1Powder transport apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Jun 15, 2021·0 cites·18 claims
- 2245US10921733B1Developing device and image forming apparatus having developer replenishing bladeFUJI XEROX CO LTD·Filed 2020·Granted Feb 16, 2021·0 cites·13 claims
- 2345US2020301310A1Developing device and image forming deviceFUJI XEROX CO LTD·Filed 2019·Application pending·0 cites
- 2444US2014356032A1Developing roller, developing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2014·Application pending·0 cites
- 2543US9417582B1Image forming apparatus including a controller that controls superposition of a correction toner imageFUJI XEROX CO LTD·Filed 2015·Granted Aug 16, 2016·0 cites·7 claims
- 2642US6275673B1Photosensitive unit, light source and image forming apparatusNEC CORP·Filed 2000·Granted Aug 14, 2001·2 cites·33 claims
- 2741US9454104B1Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Sep 27, 2016·0 cites·5 claims
- 2841US8185024B2Developing unit having a magnet member and image forming apparatus including the developing unitSAKOH KIYOSHI·Filed 2009·Granted May 22, 2012·0 cites·9 claims
- 2940US6487385B2Liquid electrophotographic imaging system with a maximized solid toner ratioNEC CORP·Filed 2001·Granted Nov 26, 2002·1 cites·12 claims
- 3039US5427879Aelectrophotographic photoreceptorsNEC CORP·Filed 1993·Granted Jun 27, 1995·5 cites·16 claims
- 3139US2014178106A1Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2013·Application pending·0 cites
- 3238US9383683B2Transport mechanism, developing device, and image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted Jul 5, 2016·0 cites·5 claims
- 3337US2019004465A1Image forming apparatus and developing deviceFUJI XEROX CO LTD·Filed 2018·Application pending·0 cites
- 3435US6040106APorous photoreceptor and method for manufacturing the sameNEC CORP·Filed 1999·Granted Mar 21, 2000·3 cites·11 claims
- 3533US2016313667A1Developing deviceFUJI XEROX CO LTD·Filed 2015·Application pending·0 cites
- 3633US2016266519A1Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2015·Application pending·0 cites
- 3729US6252620B1Image recording apparatus and image recording methodNEC CORP·Filed 1999·Granted Jun 26, 2001·0 cites·36 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →