Inventor · disambiguated record
Takafumi Wakai
Also filed as: WAKAI TAKAFUMI
16 granted patents·13 citations·filing 2007–2022
86Inventor score
Technology areasG03G
Top patents by PatentIndex Score
16 records- 0192US10663881B1Developing device with airflowFUJI XEROX CO LTD·Filed 2019·Granted May 26, 2020·7 cites·12 claims
- 0267US7620352B2Developing device having a projection portion for inhibiting scattering a developer and image forming apparatus using such developing deviceFUJI XEROX CO LTD·Filed 2007·Granted Nov 17, 2009·3 cites·5 claims
- 0365US11892782B2Powder accommodating container, powder supply device, developing device, and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Feb 6, 2024·0 cites·20 claims
- 0463US11880147B1Developing device and image forming apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2022·Granted Jan 23, 2024·0 cites·20 claims
- 0559US8688018B2Developing device and image forming apparatus including the sameUEZONO TSUTOMU·Filed 2012·Granted Apr 1, 2014·1 cites·11 claims
- 0659US8238802B2Developing unit, image retainer unit and image forming apparatusKAWAKAMI TOMOYUKI·Filed 2009·Granted Aug 7, 2012·2 cites·15 claims
- 0757US10684588B2Image forming unit and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Jun 16, 2020·0 cites·11 claims
- 0851US10775716B2Image forming unit and image forming apparatusFUJI XEROX CO LTD·Filed 2019·Granted Sep 15, 2020·0 cites·20 claims
- 0949US9063466B2Developing 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
- 1047US10031440B2Developing device and image forming member including a clearance closing member with groovesFUJI XEROX CO LTD·Filed 2015·Granted Jul 24, 2018·0 cites·15 claims
- 1146US10289022B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2018·Granted May 14, 2019·0 cites·14 claims
- 1245US10761473B2Developing device capable of suppressing the passing of a relatively large amount of developer and image forming apparatus therewithFUJI XEROX CO LTD·Filed 2019·Granted Sep 1, 2020·0 cites·11 claims
- 1345US10684572B2Developing device and image forming apparatusFUJI XEROX CO LTD·Filed 2018·Granted Jun 16, 2020·0 cites·19 claims
- 1445US9002244B2Image 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
- 1543US9128413B2Developing device, and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2013·Granted Sep 8, 2015·0 cites·16 claims
- 1642US9164418B2Developing device, and image forming apparatus using the sameFUJI XEROX CO LTD·Filed 2013·Granted Oct 20, 2015·0 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →