Inventor · disambiguated record
Hiroaki Okuma
Also filed as: OKUMA HIROAKI
17 granted patents·1 pending application·39 citations·filing 2008–2021
89Inventor score
Files withFUJI XEROX CO LTD8FUJIFILM BUSINESS INNOVATION CORP2OKUMA HIROAKI2SAKAMOTO TAKASHI2FUNADA ATSUSHI1
Top patents by PatentIndex Score
18 records- 0187US9195168B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2014·Granted Nov 24, 2015·5 cites·8 claims
- 0286US8019252B2Removable member-holding device and image forming apparatusFUJI XEROX CO LTD·Filed 2009·Granted Sep 13, 2011·7 cites·18 claims
- 0385US8483599B2Powder container, powder processing apparatus using the same, and powder container controlling methodOKUMA HIROAKI·Filed 2011·Granted Jul 9, 2013·6 cites·16 claims
- 0478US9128418B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2014·Granted Sep 8, 2015·2 cites·10 claims
- 0576US8120151B2Optical semiconductor device and method for manufacturing the sameISHI KAZUHISA·Filed 2008·Granted Feb 21, 2012·15 cites·4 claims
- 0666US8983319B2Image forming apparatusSAKAMOTO TAKASHI·Filed 2012·Granted Mar 17, 2015·1 cites·5 claims
- 0765US8025150B2Cushioning memberFUJI XEROX CO LTD·Filed 2010·Granted Sep 27, 2011·2 cites·11 claims
- 0856US8406652B2Removable member-holding device and image forming apparatusFUNADA ATSUSHI·Filed 2009·Granted Mar 26, 2013·1 cites·14 claims
- 0955US12130573B2Decurling device, fixing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Oct 29, 2024·0 cites·19 claims
- 1054US11243491B1Fixing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Feb 8, 2022·0 cites·8 claims
- 1152US7904005B2Image forming apparatusFUJI XEROX CO LTD·Filed 2009·Granted Mar 8, 2011·0 cites·14 claims
- 1251US10108109B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2017·Granted Oct 23, 2018·0 cites·10 claims
- 1350US10175619B1Fixing device and image forming apparatusFUJI XEROX CO LTD·Filed 2018·Granted Jan 8, 2019·0 cites·9 claims
- 1442US8750766B2Powder container and powder processing apparatus having a lid with rib for suppressing inclinationSAKAMOTO TAKASHI·Filed 2011·Granted Jun 10, 2014·0 cites·8 claims
- 1535US2017212450A1Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2016·Application pending·0 cites
- 1634US8831484B2Powder container, powder processing apparatus using the same, and powder container controlling methodOKUMA HIROAKI·Filed 2011·Granted Sep 9, 2014·0 cites·14 claims
- 1732US8750751B2Image forming apparatus and toner supply deviceNAKAI DAISUKE·Filed 2012·Granted Jun 10, 2014·0 cites·5 claims
- 1830US8224205B2Powder storage container and image forming apparatus using the sameTSUMITA TOSHIKAZU·Filed 2010·Granted Jul 17, 2012·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →