Inventor · disambiguated record
Yasumasa Fujii
Also filed as: FUJII YASUMASA
61 granted patents·2 pending applications·218 citations·filing 1989–2025
98Inventor score
Top patents by PatentIndex Score
63 records- 0199US11567423B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2021·Granted Jan 31, 2023·5 cites·6 claims
- 0299US11480889B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2021·Granted Oct 25, 2022·4 cites·15 claims
- 0399US11150573B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2020·Granted Oct 19, 2021·6 cites·18 claims
- 0499US10133207B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2017·Granted Nov 20, 2018·16 cites·10 claims
- 0599US9733589B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2016·Granted Aug 15, 2017·19 cites·11 claims
- 0699US9395681B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2016·Granted Jul 19, 2016·20 cites·22 claims
- 0799US9261857B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2015·Granted Feb 16, 2016·22 cites·13 claims
- 0898US11906908B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2023·Granted Feb 20, 2024·2 cites·13 claims
- 0998US10649363B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2019·Granted May 12, 2020·12 cites·16 claims
- 1098US10444659B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2018·Granted Oct 15, 2019·13 cites·13 claims
- 1198US10151998B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2016·Granted Dec 11, 2018·14 cites·10 claims
- 1297US12032306B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2022·Granted Jul 9, 2024·2 cites·15 claims
- 1397US10775713B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2019·Granted Sep 15, 2020·9 cites·17 claims
- 1496US9020398B2Developing cartridge including developing gear coverBROTHER IND LTD·Filed 2014·Granted Apr 28, 2015·7 cites·33 claims
- 1594US10444698B2Image forming apparatus including drum cartridge including swing plate configured to support developing cartridgeBROTHER IND LTD·Filed 2018·Granted Oct 15, 2019·5 cites·16 claims
- 1694US9423765B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2015·Granted Aug 23, 2016·5 cites·30 claims
- 1794US8862027B2Developing cartridge including developing gear coverFUJII YASUMASA·Filed 2011·Granted Oct 14, 2014·7 cites·14 claims
- 1893US10459366B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2019·Granted Oct 29, 2019·2 cites·16 claims
- 1993US10429763B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2018·Granted Oct 1, 2019·2 cites·14 claims
- 2092US9020397B2Developing cartridge including developing gear coverBROTHER IND LTD·Filed 2014·Granted Apr 28, 2015·3 cites·33 claims
- 2192US9020396B2Developing cartridge including developing gear coverBROTHER IND LTD·Filed 2014·Granted Apr 28, 2015·3 cites·36 claims
- 2292US9020399B2Developing cartridge including developing gear coverBROTHER IND LTD·Filed 2014·Granted Apr 28, 2015·3 cites·30 claims
- 2392US8977163B2Developing cartridgeBROTHER IND LTD·Filed 2014·Granted Mar 10, 2015·3 cites·30 claims
- 2490US12449743B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2024·Granted Oct 21, 2025·0 cites·15 claims
- 2590US9547253B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2016·Granted Jan 17, 2017·2 cites·17 claims
- 2689US12313983B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2024·Granted May 27, 2025·0 cites·35 claims
- 2788US2025341796A1Developing cartridge having electrodeBROTHER IND LTD·Filed 2025·Application pending·0 cites
- 2886US10871744B2Image forming apparatusBROTHER IND LTD·Filed 2019·Granted Dec 22, 2020·1 cites·18 claims
- 2982US12372899B2Image forming apparatusBROTHER IND LTD·Filed 2023·Granted Jul 29, 2025·0 cites·12 claims
- 3082US12055887B2Image forming apparatusBROTHER IND LTD·Filed 2023·Granted Aug 6, 2024·0 cites·9 claims
- 3179US11709456B2Image forming apparatusBROTHER IND LTD·Filed 2022·Granted Jul 25, 2023·0 cites·11 claims
- 3278US11231660B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2021·Granted Jan 25, 2022·0 cites·13 claims
- 3378US10838348B2Developing cartridge including developing gear coverBROTHER IND LTD·Filed 2019·Granted Nov 17, 2020·0 cites·13 claims
- 3477US11789381B2Image forming apparatus including toner cartridge and drum cartridgeBROTHER IND LTD·Filed 2022·Granted Oct 17, 2023·0 cites·9 claims
- 3577US11307511B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2020·Granted Apr 19, 2022·0 cites·20 claims
- 3675US10884351B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2020·Granted Jan 5, 2021·0 cites·19 claims
- 3775US10824090B2Developing cartridge having electrodeBROTHER IND LTD·Filed 2020·Granted Nov 3, 2020·0 cites·19 claims
- 3872US11460804B2Image forming apparatusBROTHER IND LTD·Filed 2020·Granted Oct 4, 2022·0 cites·9 claims
- 3972US10747145B2Image forming apparatus including toner cartridge and drum cartridgeBROTHER IND LTD·Filed 2019·Granted Aug 18, 2020·0 cites·14 claims
- 4070US11333998B2Image forming apparatus including toner cartridge and drum carir 11 geBROTHER IND LTD·Filed 2020·Granted May 17, 2022·0 cites·13 claims
- 4170US10838354B2Image forming apparatus including drum cartridge including swing plate configured to support developing cartridgeBROTHER IND LTD·Filed 2019·Granted Nov 17, 2020·0 cites·19 claims
- 4270US10379488B2Developing cartridge including developing gear coverBROTHER IND LTD·Filed 2016·Granted Aug 13, 2019·0 cites·6 claims
- 4370US9069327B2Developing cartridge including developing gear coverBROTHER IND LTD·Filed 2014·Granted Jun 30, 2015·0 cites·36 claims
- 4470US8676086B2Roller cover and cartridgeFUJII YASUMASA·Filed 2011·Granted Mar 18, 2014·1 cites·49 claims
- 4569USD718380SToner cartridgeMORI HIROKI·Filed 2013·Granted Nov 25, 2014·15 cites·1 claims
- 4668US2020133194A1Image forming apparatusBROTHER IND LTD·Filed 2019·Application pending·0 cites
- 4766US10545451B2Image forming apparatus including swing plate configured to support developing cartridgeBROTHER IND LTD·Filed 2018·Granted Jan 28, 2020·0 cites·18 claims
- 4866US9494913B2Developing cartridge including developing gear coverBROTHER IND LTD·Filed 2015·Granted Nov 15, 2016·0 cites·20 claims
- 4959US9529320B2Cartridge provided with protection cover capable of protecting developer carrier and image forming apparatus provided with the sameBROTHER IND LTD·Filed 2015·Granted Dec 27, 2016·0 cites·21 claims
- 5059US9063457B2Roller cover and cartridgeFUJII YASUMASA·Filed 2014·Granted Jun 23, 2015·0 cites·16 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →