Inventor · disambiguated record
Yoshifumi Ozaki
Also filed as: OZAKI YOSHIFUMI
28 granted patents·5 pending applications·99 citations·filing 1997–2024
93Inventor score
Technology areasG03G
Files withFUJI XEROX CO LTD22FUJIFILM BUSINESS INNOVATION CORP5OZAKI YOSHIFUMI2SUZUKI SHIRO2FUJIMORI SHINICHIRO1
Top patents by PatentIndex Score
33 records- 0198US10877400B1Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2020·Granted Dec 29, 2020·11 cites·20 claims
- 0288US10996588B1Powder transport apparatusFUJI XEROX CO LTD·Filed 2020·Granted May 4, 2021·2 cites·19 claims
- 0387US6349183B1Image forming apparatusFUJI XEROX CO LTD·Filed 2000·Granted Feb 19, 2002·34 cites·8 claims
- 0483US5752141ARotating type developing apparatusFUJI XEROX CO LTD·Filed 1997·Granted May 12, 1998·36 cites·15 claims
- 0578US7702264B2Image forming apparatusFUJI XEROX CO LTD·Filed 2007·Granted Apr 20, 2010·5 cites·13 claims
- 0673US7903988B2Image forming apparatus capable of detecting ghost imageFUJI XEROX CO LTD·Filed 2009·Granted Mar 8, 2011·4 cites·7 claims
- 0771US8116667B2Developing device and image forming apparatusOZAKI YOSHIFUMI·Filed 2010·Granted Feb 14, 2012·2 cites·11 claims
- 0870US9400449B1Image forming apparatus, image forming method, and non-transitory computer readable mediumFUJI XEROX CO LTD·Filed 2015·Granted Jul 26, 2016·1 cites·10 claims
- 0965US8588663B2Developing device having a magnetic member and image forming apparatus including developing deviceSUZUKI SHIRO·Filed 2011·Granted Nov 19, 2013·1 cites·10 claims
- 1063US7536140B2Developer holding member, method of producing a developer holding member, developing apparatus and image-forming apparatusFUJI XEROX CO LTD·Filed 2006·Granted May 19, 2009·2 cites·18 claims
- 1157US11506995B2Developing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Nov 22, 2022·0 cites·11 claims
- 1257US10739699B1Developing 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
- 1357US10591843B2Image forming apparatus and developing deviceFUJI XEROX CO LTD·Filed 2018·Granted Mar 17, 2020·0 cites·4 claims
- 1456US10908528B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Feb 2, 2021·0 cites·9 claims
- 1554US9804524B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Granted Oct 31, 2017·0 cites·8 claims
- 1653US2025102949A1Developing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2024·Application pending·0 cites
- 1749US9063466B2Developing device having an attaching unit for attaching developer and image forming apparatus including the sameFUJI XEROX CO LTD·Filed 2013·Granted Jun 23, 2015·0 cites·9 claims
- 1849US8135301B2Developing device and image forming apparatusFUJIMORI SHINICHIRO·Filed 2009·Granted Mar 13, 2012·1 cites·9 claims
- 1949US7986899B2Development unit, process cartridge and image forming apparatusFUJI XEROX CO LTD·Filed 2009·Granted Jul 26, 2011·0 cites·10 claims
- 2048US11506997B1Developing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Nov 22, 2022·0 cites·20 claims
- 2148US9383682B1Developing device including a first transport path and a second transport path including a plurality of flow paths and image forming apparatusFUJI XEROX CO LTD·Filed 2015·Granted Jul 5, 2016·0 cites·8 claims
- 2247US11609511B2Developing 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
- 2345US11036162B1Powder transport apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2020·Granted Jun 15, 2021·0 cites·18 claims
- 2445US10921733B1Developing device and image forming apparatus having developer replenishing bladeFUJI XEROX CO LTD·Filed 2020·Granted Feb 16, 2021·0 cites·13 claims
- 2545US9002244B2Image forming apparatus including developing device using toner holding member with specific surface roughnessFUJI XEROX CO LTD·Filed 2013·Granted Apr 7, 2015·0 cites·20 claims
- 2645US2020301310A1Developing device and image forming deviceFUJI XEROX CO LTD·Filed 2019·Application pending·0 cites
- 2745US2020310316A1Image forming apparatusFUJI XEROX CO LTD·Filed 2019·Application pending·0 cites
- 2843US9128413B2Developing device, and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2013·Granted Sep 8, 2015·0 cites·16 claims
- 2942US9164418B2Developing device, and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2013·Granted Oct 20, 2015·0 cites·20 claims
- 3040US2013084108A1Development device and image forming apparatus including the sameSUZUKI SHIRO·Filed 2012·Application pending·0 cites
- 3137US2019004465A1Image forming apparatus and developing deviceFUJI XEROX CO LTD·Filed 2018·Application pending·0 cites
- 3232US8611798B2Developing device and image forming apparatusOZAKI YOSHIFUMI·Filed 2010·Granted Dec 17, 2013·0 cites·19 claims
- 3331US8749799B2Image carrier and image forming apparatus therewithOKUNO TATSUO·Filed 2011·Granted Jun 10, 2014·0 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →